33. These machines ought _______ once a week.

　　 A. to be cleaned　　　　　 B. to cleaned

　　 C. clean　　　　　　　　　 D. be cleaned

32. --- Shall I carry the suitcase for you?

--- _______.

A. No, I can manage by myself　　　 B. Yes, with pleasure.

C. No, thanks just the same　　　　 D. Yes, it's a pleasure

31. Li Gang never gives his friends away. He always _______ them whatever happens.

　　 A. depends on　　 B. sticks to　　 C. believes in　　 D. calls for

30. --- Perhaps John's not in.

　　 --- _______. Look, the light's on.

　　 A. Yes, he can be at home　　　　 B. No, he shouldn't go out

　　 C. Yes, he must be at home　　　　 D. No, he needn't go out

29. Led by the Party, _______ we fight firmly with one heart and one mind, depending upon science, we will surely defeat SARS.

　　 A. in case　　　 B. so far as　　　 　C. even if　　　 D. so long as

28. --- Do you get together with your old friends?

--- Yes, from time to time, but not _______.

　　 A. normally　　 B. certainly　　　 C. regularly　　 D. necessarily

27. I can _______ some noise while I'm studying, but I can't stand very loud noise.

　 A. put up with　　 　　　　　　B. get rid of

　 C. have effects on　　　　　　 D. keep away from

26.-- _____________ .

　 -- Thank you. I certainly will

A. How about discussing the problem now?

　 B. What can I do for you?

　 C. I greatly appreciate your help.

　 D. Remember me to your family.

25. Though it was late, _______ they kept on _______ in the fields.

　 A. but; working　　　　　 B./; work

　 C./;worked　　　　　 D./; working

24. --- Would you like to go to the concert with me, Mary?

　 --- I have got no interest in it; _______, I have lots of work to do.

　 A. otherwise　　 B. besides　　 C. however　　 D. therefore