25. Helen is on time for everything. How ______ it be that she was late for such an important interview?

A. might　　　　 B. can　　　 　　 C. must 　　　　　　 D. may

24. While you are enjoying yourself in Beijing this time tomorrow, I ______ my mother do housework at home.

A. am helping　 B. will help　 　　C. would help 　　　　D. will be helping

23. The e-mail, as well as the telephone, ______ an important part in daily communication.

A. is playing　　　 B. have played 　C. are playing 　　　D. play

22. Jumping out of ______airplane at ten thousand feet is quite _____exciting experience.

A ./ ；the　　 B./ ；an　　　　 C.an；an　　　 　　　D.the ; the

第一节 单项填空(共20小题；每小题1分，满分20分)

21. What they need ______ enough money, while what we need ______ enough workers.

A. is; is　　　 　 B. are; are　 　　 C. is; are　 　　　　　 D. are; is

第三节：听第10段材料，用恰当的词填空，完成第18至20题。