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.

There will be ____, too. Some areas will become wetter while others will become much drier.

"What was the weather like here" - "It was very sunny and hot. We had a bit of a ______________"

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 ____.

All the different plants and animals in a natural community are in a state of __________.

Air pollution is a ____________of fossil fuel burning by motor vehicles, factories, aircraft and rockets.

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 enviromental problems so that we can find ways to protect nature.

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

Environmentalists are furious with the American Government for delaying measures which will reduce greenhouse gas ____.

There's been a ____ in Germany and a village was completely destroyed.

We have to suffer a lot of floods due to our serious of forests.

Illegal trade in animal body _________ can lead to the disappearance of many animals

During the last hundred years we have done great ____ to the environment.

The problems of pollution call for a prompt from the government.

If government don't ____ global warming, more natural disasters will occur.

The loss of forests can have a ________impact on the environment.

Environmental pollution is becoming an ____ serious problem that needs to be taken care of as soon as possible.

Fish and poultry have a much lower impact the environment, and other plant proteins are even less damaging the planet.

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

They have built a particular reserve which is suitable _______ pandas.

Forest dwellers had always hunted the local _______ but their needs had been small.

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

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

More and more rare animals are danger of extinction.

Ba said he__________ some good marks the semester before.

They told their parents that they___________ their best to do the test.

She asked me where I___________ from.

The mother asked her son _______.

Martin asked me _______.

The host asked Peter _______ tea or coffee.

Andrew told me that they _______ fish two _______ days.

Jason told me that he _______ his best in the exam the _______ day.

John asked me _______ in English.

Jack asked me _____.

She asked me _____ I liked pop music.

I asked him______________,but he said nothing.

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

Many tourists are not __________ of the impact of their actions on the local community.

Both local people and tourists should be responsible for __________the environment.

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

One of the benefits of __________ is that it creates job opportunities for local people.

We're going on a(n) eco-friendly__________ to the countryside this weekend.

Tourists are not allowed to ___________ in the park.

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

Ecotourism will help people to become more ___________ of environmental protection.

The tourists are visiting a cave renowned for its beauty with ___________.

Many tourists ___________ the environment causing air and land pollution.

When ecotourists ___________ a place, they also enjoy learning about the culture there.

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

Please ______________ the walking paths and trails when you go hiking.

___________ tourism helps people keep profits local.

Ecotourists respect local __________ by learning about the customs and traditions of the places they visit.

____________ tourists will avoid damaging the environment when they travel.

Everyone is responsible_____________ protecting the environment.

Tourists should be aware of the possible damage that travel may cause ________the environment.

The impact of tourism on the local area could be both ____________.

There are many places for tourists to _________on the island.

Avoid_________water when you take a bath.

There is a ___________market in Can Tho called Cai Rang.

___________tourism has a negative impact on the environment.

We followed the___________through the forest.

We followed the___________through the forest.

There is a narrow______________ for people to walk along to get to the coast.

__________ people are very friendly and welcoming to tourists.

A(n)_________is all the plants and living things in a particular area and the way they relate to their physical environment.

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

__________involves thousands of people visiting the same place at the same time.

Buying local products is one way to show that you are a __________ tourist.

Ecotourists respect local_________ by following the customs and traditions of the places they visit.

If tourists throw rubbish or break tree branches, they are heavily ______________.

Some tourist areas have suffered __________some environmental damage.

Ecotourism activities have had some negative impacts _____________ the environment and people in the area.

Eco tours in Viet Nam involve mainly travel to natural places and the activities are not based_________ the ecotourism principles.

Tourists just visit the bay and some caves, without learning about the environment or taking part __________ any local cultural activities.

In some national parks, tourists are not fully aware __________ environmental protection.

Many African countries, with their numerous national parks and safaris, have benefited__________ ecotourism.

Ecotourism in distant and remote spots around the planet is getting more popular ____ tourists and tour guides.

The old pagoda is the main tourist __________ of the town.

Mass tourism can have negative effects on the ___________

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

__________ provides tourists with opportunities to explore nature.

__________ involves not only environmental protection and cultural respect, but also efforts to keep profits local.

The Mekong Delta is an extraordinary place that ____ international tourists.

The areas are very ____ for tourists who love to study and discover.

The vast wilderness of Alaska offers some unbelievable ecotourism opportunities, and one of the most ____ tourism industries in the USA.

The gardens and islets near the Tien and Hau River are very attractive ecotourism ____ of the region.

Ecotourism ____ are important to the overall sustainable energy sources.

Seattle is one of the most ____ cities in the US.

In Alaska, the ecotourism operators are designed to help minimise tourism ____, which may be more difficult to control as an independent traveler.

Although tourism is often called 'the smokeless industry', or an __________friendly industry, it can actually damage nature.

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

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

I have a test to take tomorrow morning. If I ____ free time, I ____ to Cuc Phuong National Park with you.

According to the weather forecast, it will be fine at the weekend. If the weather ____ fine, we ____ on camping at the weekend.

If she ____ him, she would be very happy.

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

If you didn't have to leave today, I_________you around the city.

If I _________ you, I would advise her to try the new teaching method.

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

Okay, I________the tickets if you buy the drinks.

If she were not afraid of flying, she___________far a lot.

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.

Animals will take more time to flee from danger if they ____ in cities and are bolder.

I suggest that we _______ the deforestation.