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WorksheetsGRADE 10 - Unit 5 - Global Warming
Total questions: 187
Worksheet time: 2hrs 58mins
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
comfortable
supportive
prioritise
significant
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
geography
economics
engineering
information
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions
organise
decorate
divorce
promise
Choose the word whose underlined part is pronounced differently from the others.
game
geography
vegetable
change
Choose the word whose underlined part is pronounced differently from the others.
packed
punched
pleased
denied
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
6. We need to cut down on the emission of carbon dioxide into the atmosphere.
A. intake
B. retake
C. uptake
D. discharge
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
7. Most people admit that they contribute to global warming.
A. be partly responsible for
B. disapprove
C. neglect
D. cause
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
8. Cutting down on energy use is the best way to help reduce global warming.
A. Shrinking
B. Declining
C. Decreasing
D. Increasing
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
9. We should grow more trees so that they can absorb more carbon dioxide from the atmosphere.
A. emit
B. take in
C. consume
D . cut off
Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
10. This help to reduce waste and pollution, and _______ natural resources.
A. conserve
B. converse
C. consume
D . reverse
11.Global warming can reduce crop harvests globally , which may lead to ________
A. infectious disease
B. ecological
C. famine
D . ecosystem
12. Releasing too much ______ into the atmosphere can lead to global warming.
A. hydro
B. oxygen
C. methane
D. carbon dioxide
13. We all admire him ____ having changed both his attitude and behaviours towards the environmental issues.
A. about
B. for
C. with
D. at
14. "Don't forget. We are invited out to dinner tonight.” – “__________________”
A. Oh, I almost forgot.
B. It's so unforgettable.
C. OK, I'll try it first.
D. I remember you.
“You're late again, Peter.” – “_______”
A. It's none of your business.
B. Only 5 minutes left.
C. I'm sorry. My car was broken this morning.
D. I expect not to be fired
Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
16. Having seen people suffer global warming consequences, we decided to reduce carbon footprints.
A. We decided to reduce carbon footprints before seeing people suffer global warming consequences.
B. We saw people suffer global warming consequences after we decided to reduce carbon footprints.
C. We decided to cut down on carbon footprints after we saw people suffer global warming consequences.
D. We decided to cut down on carbon footprints before we saw people suffer global warming consequences.
Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
17. Climate change leads to numerous catastrophic consequences.
A. Numerous catastrophic consequences result in climate change.
B. Numerous catastrophic consequences result from climate change.
C. Climate change results from numerous catastrophic consequences.
D. Numerous catastrophic consequences cause climate change
Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
18. The increase in earth's temperature can cause heat-related illnesses.
A. Heat-related illnesses result from the increase in earth's temperature.
B. Heat-related illnesses result in the increase in earth's temperature.
C. Heat-related illnesses lead to the increase in earth's temperature.
D. Heat-related illnesses trigger the increase in earth's temperature.
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
19. When you sit for the exam tomorrow, try to stay calm and relaxed.
A. answer
B. take
C. make
D. write
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
20. Well, Mrs Baker, you'll be pleased to hear that George has made a dramatic improvement in geography.
A. meaningful
B. important
C. insignificant
D. steady
As Nam knew that Mai is fond of environmental issues, he bought her a book about global warming.
--> (a)
Since Tom was sick, he refused to hang out with me.
--> (a)
When Phong did research on climate change, he became interested in environmental studies.
==> (a)
(a) (feel) confident about her English, Mia decided to enter the English-speaking compettition.
(a) (water) early in the morning, your flowers will live longer.
_________ last year, the new law will ban cars from the city center.
Starting
Started
_________ about the results of the exam, I couldn't sleep.
Worried
Worrying
It's time we stopped burning __________ and found renewable sources.
forests
fossil fuels
_____________ means cutting down or burning the trees in an area.
Deforestation
Global warming
Sea level rise is usually regarded as Viet Nam's main _______: a one-meter rise would submerge 40 percent of the country and make millions homeless.
disaster
hope
destruction
concern
All of the disasters resulted from _______ will continue to have a devastating effect on socio-economic development.
floods
climate change
ecological balance
carbon footprint
The low _______ in the Mekong Delta leads to acute saline intrusion much deeper than the traditional 30 to 40km of mainland that is contaminated with saltwater.
water currents
sea level
water level
salt water
Methane is a far more active_______ than carbon dioxide, but also one which is much less abundant in the atmosphere.
greenhouse gas
greenhouse effect
climate change
emission
The next dry season will be extremely severe _______ further saltwater intrusion, water and rain shortages, and heat waves.
because
although
due to
thanks to
Viet Nam has been named among the 12 countries most _______ for climate change by the World Bank.
at risk
at danger
in risk
ready
Having developed green technologies with low-carbon emissions, _______ intends to get rid of coal.
the effort
the possibility
that country
the communities
1. Cutting down on energy use is the best way to help reduce global warming. (OPOSITE)
A. Shrinking
B. Declining
C. Decreasing
D. Increasing
2. We should grow more trees so that they can absorb more carbon dioxide from the atmosphere. (OPOSITE)
A. Emit
B. take in
C. consume
D. cut off
3. Releasing too much carbon dioxide into the atmosphere can lead to global warming. (OPOSITE)
A. Result in
B. result from
C. cause
D. activate
Farmers turned to bio-fertilizers after they had been told about the dangers of chemical fertilizers. (OPOSITE)
A. Trusted
B. disbelieved
C. counted on
D. depended on
5. The factory owner denied having said that he should take responsibility for the damage that his factory caused to the surrounding environment.
A. refuted
B. rejected
C. opposed
D. accepted
Some scientists are accused of not having reported the effects of climate change. (OPOSITE)
A. exonerated
B. blamed
C. charged
D. complained
7. They were criticized for having acted irresponsibly towards the environment. (OPOSITE)
A. blamed
B. commended
C. condemed
D. denounced
8. The factory was fined for having dumped a huge amount of rubbish in to the river. (OPOSITE)
A. penalized
B. levied
C. compensated
D. punished
He apoligized me (a) not calling me earlier
He praised me (a) planting the most trees in the Tree Planting Competition
He congratulated me (a) winning the first prize.
The police suspected me (a) stealing the bike.
someone had cut (a) the oldest tree in the park.
Because local people have cut down the forests to (a) way for farming, now they have to suffer severe floods
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
We need to cut down on the emission of carbon dioxide into the atmosphere.
intake
uptake
retake
discharge
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Forests absorb and capture carbon dioxide from the atmosphere.
take up
take in
take over
take to
He said that he would take responsibility for his company's damage to the area. But then he denied that.
Having denied his company's damage, he took responsibility for it.
He denied having damaged to his company's area.
He denied having taken responsibility for the damage to his company's area.
He denied having said that he would take responsibility for his company's damage to the area.
Having seen people suffer global warming consequences, we decided to reduce carbon footprints.
We decided to reduce carbon footprints before seeing people suffer global warming consequences.
We saw people suffer global warming consequences after we decided to reduce carbon footprints.
We decided to cut down on carbon footprints after we saw people suffer global warming consequences.
We decided to cut down on carbon footprints before we saw people suffer global warming consequences.
1. Many factories release harmful ………………………. into the atmosphere.
Energy-efficient
pollutants
acid rain
Global warming
2. Burning fossil fuels can cause ………………………. to fall from the clouds.
Energy-efficient
pollutants
acid rain
Global warming
3. ………………………. is the increase in temperature of the earth’s atmosphere.
Energy-efficient
pollutants
acid rain
Global warming
4. ………………………. vehicles and appliances use less energy than other types of transportation.
Energy-efficient
pollutants
acid rain
Global warming
5. To deal with global warming, we should use ………………………. energy like solar and wind.
poisonous
renewable
green house effect
release
6. Thousands of fish were killed as a result of a discharge of …………………….. chemicals from a nearby factory.
poisonous
renewable
green house effect
release
7. The destruction of forests is contributing to the ………………………..
poisonous
renewable
green house effect
release
8. Some countries approved to ………………………. contaminated water into the sea.
poisonous
renewable
green house effect
release
1. Scientists are developing some ............. approaches to treat the disease.
alternative
sewage
poisonous
Untreated ......... is being released into the sea, from where it pollutes our beaches.
release
sewage
energy
3. Ways must be found to prevent the ......... gases from polluting the air.
efficient
renewable
poisonous
4. Cleaning up road dust is one of the cheapest ways to reduce the ........
alternative
pollutant
release
5. He has carried out extensive research into ............ energy sources.
renewable
pollutant
release
_________ are trying to put a stop to the destruction of forests. ( CONSERVE)
Conservationists
Preservationists
Environmentalists
Activists
This year's ___________conference will review what has been achieved and discuss the key goals.( CONFER)
Discussion
Summit
Meeting
Conference
This will require reducing global CO, _______________emissions by 50 per cent by 2030 ( EMISSIVE)
Emission
Emissions
Emitting
Emissive
When eating, these animals produce a lot of methane. This gas is (a) responsible for nearly one-third of current global warming. ( RESPONSIBILITY)
Cutting down or burning forests is the most (a) problem ( SERIOUSLY)
Methane is a greenhouse gas that is more ( power ) (a) than C02 at warming the earth.
Saving (a) species from becoming extinct is crucial for our health and the future of our children. (danger)
We need to preserve the (a) of wildlife because each species has an important role to play. (diverse)
The rivers in the local area are heavily (a) wastes released from nearby factories. (pollute)
The world's biodiversity is declining at an unprecedented rate, which makes wildlife (a) .(vulnerability)
It's important for the developed countries to reduce energy (a) as much as possible. (consume)
Toxic chemicals from factories are seriously (a) (contaminate)
Besides, several programmes should be (a) that spreads the world of the conservation of the elephants in the public. (introduction)
When can all animals be (a) from disappearance? (protection)
This century has witnessed environmental (a) on an unprecedented scale.(destroy)
The …………………. of the earth's atmosphere causes sea-level rise. (warm)
(a)
There is a …………………. between the recent droughts and climate change. (connect)
(a)
Global warming is the increase in the earth's average surface temperature due to the warming …………………. of greenhouse gases. (effective)
(a)
Recycling is an effective …………………. to environemental pollution (solve)
(a)
Many people are very concerned about the …………………. of the rainforests. (destroy)
(a)
Our sources of energy will soon be __________ if we don't save them.
exhaust
exhausted
exhaustedly
exhaustion
A/ an ________ species is a population of an organism which is at risk of becoming extinct.
dangerous
endanger
endangered
endangerment
Toxic waste is an example of a ___________.
pollutant
polluted
pollution
unpolluted
The last key goal is to reduce methane (a) (emit).
Methane is a greenhouse gas that is more (power) (a) than CO2 at warming the earth.
Deforestation (contribution) (a) to global warming
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
comfortable
supportive
prioritise
significant
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
geography
economics
engineering
information
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions
organise
decorate
divorce
promise
Choose the word whose underlined part is pronounced differently from the others.
game
geography
vegetable
change
Choose the word whose underlined part is pronounced differently from the others.
packed
punched
pleased
denied
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
6. We need to cut down on the emission of carbon dioxide into the atmosphere.
A. intake
B. retake
C. uptake
D. discharge
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
7. Most people admit that they contribute to global warming.
A. be partly responsible for
B. disapprove
C. neglect
D. cause
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
8. Cutting down on energy use is the best way to help reduce global warming.
A. Shrinking
B. Declining
C. Decreasing
D. Increasing
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
9. We should grow more trees so that they can absorb more carbon dioxide from the atmosphere.
A. emit
B. take in
C. consume
D . cut off
Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
10. This help to reduce waste and pollution, and _______ natural resources.
A. conserve
B. converse
C. consume
D . reverse
11.Global warming can reduce crop harvests globally , which may lead to ________
A. infectious disease
B. ecological
C. famine
D . ecosystem
12. Releasing too much ______ into the atmosphere can lead to global warming.
A. hydro
B. oxygen
C. methane
D. carbon dioxide
13. We all admire him ____ having changed both his attitude and behaviours towards the environmental issues.
A. about
B. for
C. with
D. at
14. "Don't forget. We are invited out to dinner tonight.” – “__________________”
A. Oh, I almost forgot.
B. It's so unforgettable.
C. OK, I'll try it first.
D. I remember you.
“You're late again, Peter.” – “_______”
A. It's none of your business.
B. Only 5 minutes left.
C. I'm sorry. My car was broken this morning.
D. I expect not to be fired
Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
16. Having seen people suffer global warming consequences, we decided to reduce carbon footprints.
A. We decided to reduce carbon footprints before seeing people suffer global warming consequences.
B. We saw people suffer global warming consequences after we decided to reduce carbon footprints.
C. We decided to cut down on carbon footprints after we saw people suffer global warming consequences.
D. We decided to cut down on carbon footprints before we saw people suffer global warming consequences.
Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
17. Climate change leads to numerous catastrophic consequences.
A. Numerous catastrophic consequences result in climate change.
B. Numerous catastrophic consequences result from climate change.
C. Climate change results from numerous catastrophic consequences.
D. Numerous catastrophic consequences cause climate change
Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
18. The increase in earth's temperature can cause heat-related illnesses.
A. Heat-related illnesses result from the increase in earth's temperature.
B. Heat-related illnesses result in the increase in earth's temperature.
C. Heat-related illnesses lead to the increase in earth's temperature.
D. Heat-related illnesses trigger the increase in earth's temperature.
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
19. When you sit for the exam tomorrow, try to stay calm and relaxed.
A. answer
B. take
C. make
D. write
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
20. Well, Mrs Baker, you'll be pleased to hear that George has made a dramatic improvement in geography.
A. meaningful
B. important
C. insignificant
D. steady
To use up means
carry on
carry out
run out of
take notice of
He praised me (a) planting the most trees in the Tree Planting Competition
Because local people have cut down the forests to (a) way for farming, now they have to suffer severe floods
Having seen people suffer global warming consequences, we decided to reduce carbon footprints.
We decided to reduce carbon footprints before seeing people suffer global warming consequences.
We saw people suffer global warming consequences after we decided to reduce carbon footprints.
We decided to cut down on carbon footprints after we saw people suffer global warming consequences.
We decided to cut down on carbon footprints before we saw people suffer global warming consequences.
Global warming results in climate change and extreme weather patterns.
A. results from
B. causes
C. originates
D. is due to
6. A _______ is a widespread scarcity of food which is caused by several factors including war, inflation or crop failure.
A. epidemic
B. drought
C. flood
D. famine
7. Global warming occurs when the greenhouse gases in the atmosphere trap the heat from the sun.
A. catch
B. discharge
C. dispose
D. release
9. As fossil fuel resources are running out, it is important for the government to find some types of alternative energy.
A. irreplaceable
B. substitute
C. impossible
D. practical
Deforestation is one of the biggest environmental threats to the ecological balance in the world.
A. sureties
B. certainties
C. dangers
D. safety
Closest in meaning to the underlined word(s).
In the past, a lot of countries denied having contributed to global warming.
Accepted
Approved
Refuted
Avoided
You had saved the lives of hundreds of wild animals.Thank you for that.
—> Thank (a)
Choose the mistake ?
Carbon dioxide emissions of the burning of fossil fuel in power plants and motor vehicles
Of
In
Plants
Vehicles
Global warming may lead to ___ weather events , including heat waves,floods,and powerful storms.
Extremely
Extreme
Extremeness
Extrema
The main stress is placed different from the others.
Dangerous
National
Charity
Romantic
Choose the mistake .
Everyone of us can help to protect and sustain our environment by change our consumption habits.
Us
To protect
Change
Consumption
rewrite:
After _____________ from the horse back, he was taken to the hospital and had a surgery.
having fallen
being fallen
to be fallen
to have been fallen
rewwrite :
Christopher apologized. He’d forgotten to pay. (Having +V3/ed)
(a)
….……. this movie last week, I still wanted to see it again.
have seen
having seen
had seen
seeing
Are you sure you told me? I don’t recall ………. about it.
Having told
having been told
to have told
to have been told
Tom made a bad mistake at work, but his boss didn’t fire him. He is happy about ………. a second chance.
giving
having given
having been given
to have been given
He was accused of_____________their money.
having stolen
stealing
being stolen
to be stolen
13. We all admire him ____ having changed both his attitude and behaviours towards the environmental issues.
A. about
B. for
C. with
D. at
He apoligized me (a) not calling me earlier
He praised me (a) planting the most trees in the Tree Planting Competition
He congratulated me (a) winning the first prize.
The police suspected me (a) stealing the bike.
The police suspected me (a) stealing the bike.
The president of the company officially apologised to the local residents ____ having dumped a large amount of raw sewage in the area.
about
with
at
for
The factory was accused ____ having caused higher level of pollution to the environment.
about
on
of
for
Human activities are also blamed ____ having contributed to global warming.
for
on
at
with
Human activities are also blamed ____ having contributed to global warming.
for
on
at
with
The city mayor praised all voluntary students ____ having cleaned the playgrounds for the children.
for
because of
at
due to
Even when arrested, he denied ____ cut down that tree.
has
having
have
have had
(Build)________ in the 15th century, this house is the oldest in this area.
Building
Built
The children were sitting on the floor, ______________ (play) with their toys.
playing
played
(Prepare)_______________ by the best cook in town, the meal tasted exceptionally delicious.
It is prepared
Preparing
Prepared
Was preparing
Sat (A) by the beach (B), I kept thinking (C) about how my life has changed (D) .
A
B
C
D
The alarming rate of ___________ results in damage to the quality of the land
global
overpopulation
(Printing) (a) on the very first press, the document was extrmely valuable
(Look) (a) at the positive side of the job offer, Max accepted it.
(Surround) (a) by police officers, the bank robber gave up.
Many species are threatened with_______due to defoestation and loss of habitat.
As global _____________ rise, there are more cases of heat-related diseases.
A. greenhouse gases
B. footprint
C. climate
D. temperature
(Impress) (a) by the performance, the audience applauded the actor.
The forest was cut down to make _____________ for farming.
A. place
B. area
C. gap
D. space
By increasing the use of (a) enery, we can reduce harmful greenhouse gas emissions and help to lessen the effect of climate change.
The air pollution has had a very (a) effect/ impact on human health
(Write)______________ by a famous author, the book was a best-seller
A. Writing
B. Wrote
C. Written
D. It is written
Heat-trapping ___________ are known as greenhouse gases and they result in greenhouse effect
A. polluted
B. pollution
C. population
D. pollutants
People are very concerned about the (a) of the rainforests. (Destroy)
Certain _________ in the atmosphere such as carbon dioxide, methane and nitrious oxide, block heat from escaping.
A. effects
B. emission
D. gases
E. layer
The crash resulted _________ the death of 10 passengers.
A. to
B. at
C. into
D. in
The movie, ________ by a famous director, was a huge success.
A. directs
B. directed
C. directing
D. was directed
The boys loved (A) their boxing (B) gloves, worn (C) them even to bed (D).
(a)
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.
A. poaching
B. physical
C. pollution
D. pesticide
A layer of greenhouse gases - primarily water vapor , and carbon dioxide - acts as a ............ blanket for the Earth , absorbing heat and warming the surface.
A. hot
B. heat
C. thermal
D. heating
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
A. tropical
B. discover
C. animal
D. rainforest
rewrite the sentences , using perfect gerunds :
"You've lied to us.'' the villagers said . The politician denied it.
(a)
Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions
A. release
B. please
C. grease
D. increase
The factory was accused ......... having caused higher level of pollution to the environment .
A. for
B. on
C. of
D. about
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Reusing and recycling glass , plastic , paper and other products help to reduce waste and pollution , and conserve natural resources .
A. preserve
B. reserve
C. converse
D. reduce
Having denied the responsibility for the ............ it caused , the factory was forced to close down .
A. environmental
B. environmentally
C. environment
D. environmentalist
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following question:
Some scientists are accused of not having reported the effects of climate change .
A. exonerated
B. charged
C. complained
D. blamed
How many people are infected with covid-19 in Vietnam ?
A. 242
B. 243
C. 244
D. 245
Since the farmers used too much chemical fertiliser on their farm , they now have to drink polluted water .
(a)
Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
These companies were accused on having released a large amount of carbon dioxide into the atmosphere.
A
B
C
D
Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of primary stress in each of the following questions.
A. environment
B. diversity
C. devastated
D. ecology
Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
With clear evidence, his company couldn't deny having dump a large quantity of toxins into the sea.
A
B
C
D
A strong greenhouse effect will warm the ocean and partially melt glaciers , increasing ..........
A. temperature
B. sea water
C. pollution
D. sea level
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. .
The factory owner denied having said that he should take responsibility for the damage that his factory caused to the surrounding environment.
A. refuted
B. rejected
C. opposed
D. accepted
The city mayor praised all voluntary students .......... having cleaned the playgrounds for the children .
A. for
B. because of
C. at
D. due to
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
We may help to control global warming by reducing carbon footprints in our homes.
A. putting up with
B. getting down to
C. cutting down to
D. going back to
How many ethnic groups are there in Vietnam?
A. 44
B. 54
C. 64
D. 53
The …. between Vietnam and China is good.
A. friends
B. friendly
C. friendliness
D. friendship
