Every ten minutes, one kind of animal, plant or insect dies (21) for ever. If nothing is done about it, one million species that are alive today will have become extinct twenty years from now.
The seas are in (22) They are being filled with poison: industrial and nuclear (23) , chemical fertilizers and pesticides, sewage. The Mediterranean is already nearly dead: the North Sea is following. If nothing is done about it, one day soon nothing will be able to live in the seas.
The tropical rain forests, which are the (24) of half the earth�s living things (including many rare animals and plants), are being destroyed. If nothing is done about it, they will have disappeared in twenty years. The (25) on the world�s climate � and on our agriculture and food supplies � will be disastrous.
V. Choose the correct sentence among A, B, C or D which has the same meaning as the given one.
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26. They understand more than we do.
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27. No matter how hard I tried I couldn't open the door.�
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28. It came as no surprise to me that Harry had failed his driving test.
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29. I found it extremely difficult to learn this subject.
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30. I expect that he will get there by lunchtime.�
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VI. Combine the following sentences, using preposition + whom/ which.
31. The movie was interesting. We went to it.
The movie .
32. The woman pays me� a fair salary. I work for her.
The woman .
33. The man is over there. I told you about him.
The man .
34. I want to tell you about the party. I went to it last night.
I want .
35. Alice likes the foreign family. She is living with them.
Alice .
36. The picture is beautiful. Tom is looking at it.
The picture .
37. I enjoyed the music. We listened to it after dinner.
I enjoyed .
38. The market has fresh vegetables. I usually go to it.
The market .
39. I couldn't understand the woman. I talked to her on the phone.
I couldn't .
40. The office is on High Street. Amy works for it.
The office .
