33. Not until all the fish died in the river ___how serious the pollution was.

　 A. did the villagers realize　　 B. the villagers realized

　 C. the villagers didn’t realize　 D. didn’t the villagers realize

32.The number of the students who _______ glasses_____ increasing.

wears; are　 B. wears; is　 C. wear; is　 D. wear;　 are

31. A modern city has been set up in 　___　　was a wasteland ten years ago.

A. what　　　　　 B. which　　　　　 C. that　　　　　　 D. where　　　　

30. The difficulty they had _________ Professor Wang’s house was ____________ they couldn’t find the way there.

　　 A. finding; that　　 B. in finding; because　　 C. to find; that　　 D. find; because

29. - How great he is! He got the first place in the English competition.

______________!

What a great progress he has made

How great a progress he has made

How great he has made progress

What great progress he has made

28. The factory_____ most of its workers _____ robots.

　 A．replaced；with　　　　　　　　　 B．replaced；for

　 C．take place of；with　　　　　　　　 D．take the place of；for

27. I’d like to do something for you ______ everything you’ve done for me.

A. in exchange　 　B. in turn　 　　　C. in return for　 　　D. in terms of

26._____ we were worried about was _______ they could manage to control the pollution.

A. That; how　 B. That; 　whether　 　C. What; 　that　 　D. What; whether

25. He dived _______into the river to save the girl and I was ______ moved by his deed.

　　 A. deep, deep　 B. deep, deeply　 C. deeply, deep　 D. deeply, deeply

24.According to a UN report, 30 percent of the world population have no ______ to clean drinking water and health care.

A. sense　　　 B. chance　　　 C. access　　　　　　 D. standard