G11. Unit 6. Looking Back

absorb/ energy use/ emissions/ catastrophic/ carbon footprint/ deforestation/ extinction/ diversity

I believe that the only way for us to reduce global warming is to cut down on

absorb/ energy use/ emissions/ catastrophic/ carbon footprint/ deforestation/ extinction/ diversity

Many species are threatened with

absorb/ energy use/ emissions/ catastrophic/ carbon footprint/ deforestation/ extinction/ diversity

Motor vehicles running on petrol are responsible for a large amount of carbon dioxide

absorb/ energy use/ emissions/ catastrophic/ carbon footprint/ deforestation/ extinction/ diversity

There are many ways for us to reduce our

absorb/ energy use/ emissions/ catastrophic/ carbon footprint/ deforestation/ extinction/ diversity

There are many ways for us to reduce our

absorb/ energy use/ emissions/ catastrophic/ carbon footprint/ deforestation/ extinction/ diversity

More trees should be planted as they

absorb/ energy use/ emissions/ catastrophic/ carbon footprint/ deforestation/ extinction/ diversity

The alarming rate of

absorb/ energy use/ emissions/ catastrophic/ carbon footprint/ deforestation/ extinction/ diversity

Rainforests have the highest species

4. Rewrite the sentence using perfect particicples.

After the students had learnt about the benefits of recycling and reusing, they started collecting waste paper, bottles, and cans to recycle and reuse.

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4. Rewrite the sentence using perfect particicples.

Since Mai had refused Nam's offer of a lift in his car, she had to walk home.

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4. Rewrite the sentence using perfect particicples.

After Ha had read some documents about Green Earth, she decided to join the organisation.

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4. Rewrite the sentence using perfect particicples.

Since the farmers used too much chemical fertiliser on their farm, they now have to drink polluted water.

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4. Rewrite the sentence using perfect particicples.

After she replaced all the light bulbs in her house with LED lights, she saved a lot of money on her electricity bills.

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4. Rewrite the sentence using perfect particicples.

Since we have become too dependent on the use of electricity, we have to find alternative sources of energy before fossil fuels run out.

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Combine the sentences using perfect gerunds.

Tonya had dumped a lot of rubbish on the beach. She was strongly criticised for that.

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Combine the sentences using perfect gerunds.

Sam had not worked hard enough in his previous job. He regretted it.

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Combine the sentences using perfect gerunds.

Tony had rescued the kids from the fire. People admired him for that.

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Combine the sentences using perfect gerunds.

I have seen him before. I remember that.

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Combine the sentences using perfect gerunds.

‘You've lied to us,' the villagers said. The politician denied it.

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Combine the sentences using perfect gerunds.

Thanh had forgotten to turn off the gas cooker before he left his house. He admitted that.

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