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1) Match a verb in column A with a word or phrase in column B.

ĐÁP ÁN:

2) Make sentences with the phrases in 1.

ĐÁP ÁN:

A better way to reduce your carbon footprint during your commute is to take a bus or carpool. 

3) Use the words/phrases from the box to complete the sentences.

Example: The government must take measures to cut vehicle emissions.

1. The effects of climate change on humans and nature are .............................. 

2. We need to preserve the .............................. of wildlife because each species has an important role to play.

3. The increase in the earth's temperature can cause .............................. illnesses which can be dangerous to people.

4. Carbon dioxide is one of the primary .............................. that cause global warming.

5. Planting trees can contribute to reducing global warming as trees .............................. and absorb C0₂ in the air.

6. Climate change may lead to the extinction of many species and upset the .............................. 

ĐÁP ÁN:

4) Rewrite the sentences, using perfect participles.

Example:

After we made all necessary preparations, we put our plan into action.

Having made all necessary preparations, we put our plan into action

1. After I watched the documentary about wildlife, I made a donation to an environmental society.

2. After I ate my evening meal, I decided to go for a walk.

3. Because I had spent the whole day cleaning up my room, I needed to take a shower and have a rest.

4. Since the authorities had managed water resources irresponsibly, they had to deal with water shortages in the region.

5. After we had read the stories about people who reduced their carbon footprint, we started to change oi daily consumption habits.

6. Because the farmers had been told about the dangers of chemical fertilizers, they turned to bio-fertilizers.

7. After I finished all my homework, I watched my favorite film on TV.

ĐÁP ÁN:

1. Having watched the documentary about wildlife, I made a donation to an environmental society.

2. Having eaten my evening meal, I decided to go for a walk.

3. Having spent the whole day cleaning up my room, I needed to take a shower and have a rest.

4. Having managed water resources irresponsibly, the authorities had to deal with the water shortage in the region.

5. Having read the stories about people who reduced their carbon footprint, we started to change our daily consumption habits.

6. Having been told about the dangers of chemical fertilizers, the farmers turned to bio-fertilizers.

7. Having finished all my homework, I watched my favorite film on TV.

5) Combine the sentences, using perfect gerunds.

Example:  

He said that he would take responsibility for the project. But then he denied that.

He denied having said that he would take responsibility for the project.

1. He risked his own life to rescue the little boy. He was really admired for that.

2. She raised $20,000 for wildlife protection. She was praised for that.

3. I have advised you on how to cut down your energy use. I remember that. 

4. Some scientists have not reported the effects of climate change.

5. They are accused of that. They have acted irresponsibly towards the environment. They were criticized for that.

6. The factory has dumped a huge amount of rubbish into the river. It was fined for that.

7. He didn't keep his promise. He apologized for that.

ĐÁP ÁN:

1. He was really admired for having risked his own life to rescue the little boy.

2. She was praised for having raised $20,000 for wildlife protection.

3. I remember having advised you on how to cut down your energy use.

4. Some scientists are accused of not having reported the effects of climate change.

5. They were criticized for having acted irresponsibly towards the environment.

6. The factory was fined for having dumped a huge amount of rubbish into the river.

7. He apologized for not having kept his promise.