2.One ton of ______ paper saves about eight trees.                                      

A.      recycling                          B. recycled                       C. recycle

IX. Write the most meaningful sentence written from the given words.

3: I /not /sleep /because of/ a loud noise next to my door / last night. 

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4. What/ happen/ if/ water pollution/ stop?

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5. If/ there/ be/ no more pollution/ the world/ be/ a better place?

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6. If/I/ be/ you/I/ take/ these bottles/ the bottle bank.

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7. If/ people/ not really care/ the environment/ they/ not try/ save it.

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8. The river/ not be/ so polluted/ if/ factories/ not dump/ waste/ it.

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9: My sister/ finish lunch/ by the time/ I/ walk/ kitchen.

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10: If I /be/ you, I /not /eat / that contaminated potatoes.

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1. He remembered being very rich.

He remembered that……………………………..

2. If the weather was bad, the bus was always late.

-> Whenever..............................................

3. When I was at secondary school, my family didn’t have a washing

-> I used to..................................................................

4. Every Sunday afternoon I would visit my grandparents

-> I always.................................................

5. We would spend Sunday morning working in the garden.

-> We...............................................

6. “Me? No, I didn’t take Mary’s book,” said Jane

-> Jane denied………………………........................................................

7. He behaved so badly. He was punished. (because of).

 -> .............................................................
8. Adam hung up before Jane could reply. (chance)
-> Before Jane…………………………, Adam hung up

9. They had hoped that I would be like them.

-> They would have liked…………………………..............................................

1. Before I moved to Florida, I (spend) _________________ three days visiting Texas.

2. If I can arrange one week off work, I (travel) _______________________ to Korea.

3. John (visit) ________________four countries so far.

4. A lot of money (spend) _________________ on advertising every day

1. He (just wash) ____________________ his car, so it looks very clean now.

2. Vietnam’s Independence Day __________________ (celebrate) on September 2^nd .

3. If there were fewer cars on the road, there (be) _______________________ less pollution.

4. After Nick (do) _______________his homework , he went to bed last night

IV. Put a suitable preposition in each blank: 13. We’ve come up ……….. an idea about our environmental project! 14. The poisonous chemical waste is dumped ……….. lakes and rivers. 15. Different kinds of entertainment are provided ……….. the park. 16. In many cultures, it’s considered rude if you push ……….. people who are trying to get out of a bus or a train. V. Write the correct form of the words in brackets: 17. Some people need medical help because they have drunk ………………………… water. (contamination) 18. A ………………………… is a person who takes part in the protection of the environment. (conserve) 19. Alaska has an ………………………… high number of lakes. (incredible) 20. Scotland is famous for its rich culture as well as its ………………………… natural beauty. (amazement)