The boy has ___________ up with a range of environmental issues but he doesn't know how to organise them.

Climate change can ___________ the inhabitants in this area.

Banning wildlife trade will______endangered animals from complete disappearing.

Jane told us that she would take a field trip with her friends _________.

It is mainly caused by waste gases that _____out of vehicles, machines or factories.

A sustainable forest is a forest where trees that are cut are replanted and the wildlife is_____

"What have you done to my laptop, Jane?" asked Tom.

"When did you start practising yoga?" asked Tom.

"Why didn't you attend the meeting, Mary?" Tom asked.

"How long have you lived here, Lucy?" asked Jack.

"Where did you go last night"? she said to her boyfriend.

Non-renewable energy sources are running _____.

_________ impacts agriculture, affecting crop yields and food production.

Intensive pesticide and fertilizer sprays used in agriculture have resulted in the serious____of water, soil and land.

_____ is a term that refers to the existence of different kinds of animals and plants which make a balanced environment.

Air pollution can cause _________ diseases in humans and animals.

________ is a serious environmental problem in many parts of the world.

Habitats of ____________ animals are damaged by human activities.

Their work involves protecting and create natural _____ for plants and animals.

The burning of fossil fuels by factories and motor vehicles has led to air pollution and resulted in acid rain, greenhouse effect and __________.

____________ is a kind of tourism which involves tens of thousands of people crowding the same places at the same time of year.

Deforestation for land use has affected the ______ and led to the extinction of rare animals, extreme floods and land erosion.

____ and led to the extinction of rare animals, extreme floods and land erosion.

They have changed and degraded the natural environment and led to various ______.

We should ______ the burning of fossil fuels, and encourage forestation to replace deforestation.

If I had enough money, I ____ abroad to improve my English.

If my grandparents ______ younger, they would travel around the world.

She told me that she __________ to me the Sunday before.

If she didn't have to work today, she_______her children to zoo.

If tourists _____ rubbish in the river, the water would be cleaner.

Maya asked her friend if she and her big brother ____ to the same school.

The mother asked her son _______.

___________is the gradual increase of temperature on the earth's surface due to greenhouse effect.

Air pollution is a major _________that has serious effects on our health.

Some animals lose their habitats because of ___________.

Although we are aware ___ the importance of environment, we still overexploit it.

Do you think we are doing enough to ____________ wild animals?

Many ________ animals have been saved thanks to community efforts.

We should _________action to protect endangered animals.

The loss of forests can destroy the natural soil and lead ______climate change.

More and more rare animals are ________ danger of extinction.

Global warming is the rise in the ______temperature of the earth's atmosphere.

Earth Hour _________attention to climate change and global energy issues, and promotes green activities worldwide.

There are lots of things we can all do to ____ the environment.

The gradual rise in the Earth's temperature is known as ____.

They are asking for public donations to protect some certain wild animals ________ dying out.

Air pollution is a ___________ problem in many major cities.

Global warming is making _________weather events, such as hurricanes and droughts.

Thousands of acres of forest are being cut down every year and the ____ of many animals are being destroyed.

Holding World Environment Day is one of the ways the United Nations uses to advocate for environmental _________ and call for political action.

The organisation focuses _____ protecting the natural habitats of rare animals.

The council has _____________ ideas to help manage traffic.

The loss of forests can damage the natural habitats of many animals and put wildlife _______danger.

We had a discussion about _________ warming this morning.

High levels of pollution can upset the ____________ of an ecosystem.

Greenpeace is an international group that protests against anything which is a ____ to the environment.

Scientists think that wild animals must ________ in their natural habitats.

Pollution can have serious effects_________ the balance of ecosystem.

We need to be _________ of environmental problems so that we can find ways to protect nature.

__________ is mainly caused by waste gases that come out of vehicles, machines or factories.

The loss of forests can have a ________ impact on the environment.

We are aware of the _______ of natural resources. We should save them for future use.

She is a famous ________. She tries her best to protect rare animals from extinction.

If I were you, I___________part in this competition.

If you do what you tell others, they__________in you.

You ____ help the local people if you buy local products whenever possible and pay a fair price for what you buy.

I wouldn't go there at night if I ____ you.

If you ____ a choice, which country would you visit?

If she ____ him, she would be very happy.

Whenever you're tired of noisy streets or pollution, immerse yourself in the national parks in Viet Nam.

a. Best wishes.

b. First of all, self-study gives learners more freedom. They decide what they should study and how to learn depending on their abilities.

c. Dear Lucy; I hope you are well. I am thinking about the advantages of self-study - learning at home without a teacher.

d. Secondly, they can make learners responsible. They set their learning goals and make study plans to achieve them.

e. Finally, it makes them more confident. Completing tasks and solving problems on their own boost learners' confidence.

a. Dear Hanah, I hope this letter finds you in good health.

b. We are planning a family reunion next month and would love for you to join.

c. Please let us know if you can make it.

d. It’s been too long since we last caught up.

e. The reunion will be at our usual spot by the lake.

f. Looking forward to your positive response. Love,

We can help local artists ____a profit by buying handmade arts and crafts

For many years, the museum of history has been a major _________ of the city.

Hoi An villages are famous _______their beautiful vegetable and herb gardens.

Everyone is responsible_____________ protecting the environment.

One way to help the local community is to buy local arts and ____________.

There are many places for tourists to _________on the island.

A. B. C. explode D. 

We should do more to reduce the__________ effects of tourism on the environment.