22. A. quieter　　　　 B. younger　　　　 C. noisier　　　　　 D. harder

21. A. power　　　　　 B. energy　　　　　 C. strength　　　　 D. courage

19. ----David has made great progress recently

---- ______ and _______.

A. So he has, so have you　　　　 B. So he has, so you have

C. So has he, so have you　　　　 D. So has he, so you have

18. ---Mother, I don’t need to keep awake, do I?

---No, my darling, go to bed, __________.

A. if you want to go　　　　　　　　 B. if you want to

C. whether you want　　　　　　　　 D. whether you want to

17. A speech on Chinese history ____ in the school hall next week.

A. is given　　　　　　　　 B. has been given

C. will be given　　　　　　 D. will give

16. ---I’m sorry I ___ my exercise book at home.

--- Don’t forget ____ it to school tomorrow, please.

A. forgot; to take　　　　　 B. left; to bring

C. forgot; bringing　　　　　 D. left, taking

15. --- How are you going to meet your uncle _____ the station ___ Sunday morning?

--- I’m going there ____ my car.

A. at; on; by　　　　　　 　B. at; on; in

C. in; in ; by　　　　　　 　D. to; in; in

14. ____ of the Russian students, teachers and parents was over 1,000; and ____ of them were killed unfortunately.

A. The number; the number　　　　　　　　　　　　 　 B. The number; a number

C. A number; half　　　　　　　　　　　　　　　　　　　　　　 　 D. A number; three quarters

13. Air pollution is really a big problem in our city, but nobody knows _____ to do about it.

A.　 if　　　　　　 B. how　　　　　　 C. whether　　　　　 D. what