28. The joke made by Tom made us _______, so the teacher couldn’t make himself______

　　　 A. to laugh; hearing B. laugh; heard　　 　

C. laughing; hear　　　　　　　　　　　　　　　　　　　　 D. laughed; heard

27. -Why didn’t you response to their greeting?

-Sorry. I ______they ______ to me.

　　　 A. don’t realize; are waving 　　　　　　　　　　　 B. don’t realize; were waving

　 C. didn’t realize; were waving　　 　　　　　　 D. didn’t realize; are waving

26. ______ with other countries, China has little natural resources, because ______ population is the biggest in the world.

　　　 A. Compared; Chinese　　　　　　　　　　　　　　　 B. Comparing; Chinese

　 C. Compared; China’s　　　　　　　　　　　　　　　　 D. Compare; China’s

25. ____ it rains tomorrow? I think we’d better take umbrellas.

　 A. In case　　　　　　　　 B. If only　　　　　　　　　 C. How come　　　　　　 D. What if

24. Whom would you like to have _______________ as your secretary, Mary or Betty?

A. to work　　 B. work　　　 C. working　 D. worked

23. The lady said she would buy a gift for her daughter with the_______.

A. 20 dollars remained　　　　　 B. 20 dollars remain

C. remained 20 dollars　　　　　 D. remaining 20 dollars

22. Great efforts must be made _______________ the Changjiang River.

A. to clearing up　　　　　　 　　　　B. to clear up

C. clear up　　　　　　　　　　　　　 D. cleared up

第一节：单项填空(共15小题，每小题1分，满分15分)。

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

21. If the speed _______________ you drive your car is beyond the limit, you will be punished.

A. by which　　 B. at which　 C. for which　　 D. of which