21. We’d better turn to the person ___ we believe can speak good American English.

　　　 A. who　　　　　 B. whom　　　　 C. whoever　　　　　　 D. no matter who

20. Can you imagine ____ a　 pilot?

　　　 A. she become　　　　　　　 B. her become　　　　 C. her becoming　　　　　　 D. she to become

19. _____ he will come or not is unknown.　 A. That　　　　　 B. This　　　　　 C. If 　　　 D. Whether

18. So loudly _____ that even people in the next room could hear him.

　　　 A. did he speak　　　　　　 B. spoke he　　　　　　 C. he spoke　　　　　　 D. should speak

17. We don’t love him ____ because he has shortcomings.

　　　 A. the more　　　　　 B. the less　　　　　　　 C. more　　　　　 D. less

16. A boom that is worth ___ at all is worthy of ____ twice.

A.　　 reading; being read B. being read; reading C. reading; reading D. being read; being read

15. The new textbook, as ___ with the old one, has many advantages.

　　　 A. comparing 　　　　　　　 B. compare　　　　　　 C. compared　　　　　 D. being compared

14. Their own crops ___ , the peasants went to help others.

　　　 A. having reaped　　　　　 B. having been reaped　　 C. was reaped　　　　 D. had been reaped

13. Since you need to get life insurance, why not try my company? If yours __ fair rates, I ___ try.

　　　 A. won’t have; will　　　　　　　 B. had; would C. should have; wouldn’t 　 D. had had; shouldn’t

12. Why can’t I smoke. At no time ____ in the meeting-room.

　　　 A. does smoking permit　　　　 B. smoking is it permitted

　　　 C. is smoking permitted 　 D. smoking is permitted