18. Something is wrong with the window; it ____ not open.

　 A. shall　 　B. may 　　C. will　 　　D. can

17. This year an increased number of drivers _____ for speeding.

　 A. have punished　 　　　B. have been punished　

C. has punished　 　　　D. has been punished

16. -Have your working conditions improved?

　 -No, ______ than before, I’m afraid.

　 A. no better　 B. a little better　 C. not worse　 D. no worse

15. --- Has your sister finished her essay yet?

--- I don’t know. She _______ it this morning.

A. wrote　　　 B. has written　　 C. had written　　　 D. was writing

14.　 We could see the building with a red flag ______ on the top and the windows ________ seriously.

A. flying; breaking　 B. flown; broken　 C. flying; broken　 D. flown; breaking

13. We must make every effort to achieve our goals ______ we regret our life.

A. or　　　　　 B. when　　　 C. though　　　　 D. before

12. The big forest fire must have been put out half an hour ago, _____________?

A mustn’t it　　　 B. wasn’t it　　　 C. hasn’t it　　 D. didn’t it

11. Who did you ____ the wall yesterday?

　 A. have paint　 B. have painted　 C. have to paint　 D. have painting

10. Practice is a good way, only ________ learn a foreign language well.

A. in which we can　　　　　　　 B. through that can we

C. in which can we　　　　　　　 D. in that can we

9. Few pleasures can equal ______ of a cool drink on a hot day.

A. some　　　 B. any　　 　　　C. that　　　　　 D. those