21. The house ______ last week is our new school library.　　　

　　 A. building　　 　　　　 B. built　　　 　　　　 C. to build　　 　　　　　 D. being built

20. Little Tom should like ________ to the cinema tomorrow evening.

　　 A. to be taken　 　　 B. to take　 　　　　　　 B. being taken　 　　　　 D. taking

19. Some experts demanded that children _______ time for sleep and play.

　　 A. give　　　　　 B. should give　 　　　　 C. be given　 　　　　　 D. would be given

18. Our monitor ________ a good example ______ the whole class in study.

　　 A. sets; for　　　 　 B. sets; to　 　　　　　　 C. gives; to　 　　　　　　 D. makes; for　　　

17. ---Hi! Allan, haven't seen you for weeks. What ________ recently?　

　 ---Studying.　　　　　　　

　　 A. have been doing B. have you done　 　 C. were you doing　 　 D. did you do

16. ---I'll be away on a business trip. Would you mind looking after my cat?

　　 ---Not at all. _________.

　　 A. I've no time　　 　 B. I'd rather not　　 C. I'd like it　　　 　 D. I'd be happy to

15. ---How was your recent visit to Sanya?

　 ---It was great. We visited friends, and spent the_____ days at the seaside.

　　 A. few last sunny　 B. last few sunny　　 C. last sunny few　　 D. few last sunny

14. You're _______ your time trying to persuade him; he'll never join us.

　 A. spending　　 　　　　　 B. wasting　　 　　　　 C. losing　　　 　　　　 D. missing

13. Would you like a cup of coffee _____ shall we get down to business at once?

　　 A. and　　　　 　　　 B. then　　　　 　　　　 C. or　　　　　 　　　 D. otherwise

12. The boy wanted to ride his bike in the street, but his mother told him ______.

　　 A. not to　　　 　　　　 B. not to do　 　　　　　 C. not do it　 　　　　　 D. do not to