31. ____ printed, this science fiction will be popular among the students.

　　 A. Before　　　 B. Unless　　　　 C. When　　　　 D. Once

30. Betty and Arthur ____ on separate holidays in a few days’ time.

　　 A. go　　　　　　 B. going　　　　 C. are going　　 D. went　　　

29. - Is there anything you want to know?

　　 - I just wonder ____ that makes Jim so excited.

　　 A. what it is　　　　　　　　 B. what he does　　 C. how it is　　　　　　　 D. why it does

28. Before you leave Beijing for New York, you should be familiar ____ English.

　　 A. with　 B. to　　　　　　　　　　 C. on　　　　　　 D. about

27. Margie shows a very positive attitude ____ her work.

　　 A. to　　　　　　 B. with　　　　　 C. of　　　　　　　　　　 D. about

26. - It’s getting dark. I’m afraid I must be off now.

　　 - ____.

　　 A. That’s all right　　　　　　 B. You are nice　　 C. What a pity　　　　　　　　　　 D. See you

25. ____ to get a ticket for the 2006 FIFA World Cup, George has been standing in a queue for two days.

　　 A. Determining　　　　　　 B. Being determined　　 C. To determine　　　　　 D. Determined　

24. The mayor ____ the prizes on the school sports day.

　　 A. gave up　　　　　　　　　 B. gave in　　 C. gave back　　　　　　　 D. gave away　　　

23. The aim isn’t to persuade people to ____, but to reaf- firm their beliefs.

　　 A. make up their minds　　　　　　　 　　　 B. put their minds　　　　 C. change their minds　　　 　　　 D. turn their minds　

22. The manager insisted that the work ____ finished by the end of this month.

　　 A. should be　 B. will be C. must be　　　 　　 D. ought to be