35. ---How long are you staying?

　 ---I don’t know. ________.

A. Everything is OK　　　　　　　　　 B. Never mind　　　

C. It depends　　　　　　　　　　　　 D. It doesn’t matter

34. All _____ guarantee the economic development of our country is stability at home and abroad.

A. that we need　　　　 　　　　　　　　　 B. which we need 　　

C. that we need to 　　　　 　　　　　　　D. which we need to

33. The children vary considerably in the rate at which they learn these lessons. _____, we make the teaching plans different accordingly.

A. Because of this reason 　　　　　　　　　　　　　 　　B. It is because

C. As a result of 　　　　　　　　　　　　　　　　　　　　 　　D. For this reason

32. The question came up at the conference _____ we should do with the sluggish market.

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

31. Human facial expressions differ from those of animals in the degree _____ they can be controlled on purpose.

　　　 A. with which 　　　　　　 B. to which 　　　　　 C. of which 　　　　　　　　 D. for which

30. We didn’t know his telephone number, otherwise we _____ him.

A. would telephone 　　　　　　　　　　　 　　　　B. would have telephoned

C. must have telephoned　　　　　　　　 　　　 D. had telephoned

29. These trees must have been planted three years ago, ___________?

A. weren’t they　　　 B. mustn’t they　　 C. didn’t they　　 D. haven’t they

28. ---What do you think of Andrew?

　 --- There are some things that are not easy to _________; his coldness is one.

A. put aside　　　　 B. put up with　　　 C. think of　　　 D. get along with

27. Many people are curious about what it was that ______ you to leave America for China.

A. led　　　　　　　　　　　 B. let 　　　　　　　　　　　　　 C. made　　　　 　　 D. had

26. -- Shall I pick you up tonight?

　 -- No, thanks. Don’t _____ to come. I can take a taxi.

A. have 　　　　　　　　 　　B. bother 　　　　　　　 C. worry 　　　　　　 　D. annoy