16. ------I failed again. I wish I ________ harder.　 ------But you________.　　

A. had worked　　　 ; hadn’t　　　　　 B. worked; don’t

C. worked; didn’t　　　　　　　　 D. had worked; didn’t

15. – When can I use your computer?

　 -- Never! ______ should you touch it.

A. In no time　　　　 B. At no time 　　　　　　　 C. At any time　　　　　　　 D. At one time

14. ____ in ancient times, the book is still welcomed by lots of readers today.

A. Though written　 　　　　　 B. Though it written　

C. It was written　　　 　　　　 D. Written it was

13. It rained for two weeks, completely _____ our holiday.

A. ruined 　　　 B. to ruin 　　　 C. ruining 　　 D. to ruining

12. The student was ____reading the novel that he didn’t sense that his teacher　

　 was just standing beside him.

A. very absorbing　　　　　 B. very absorbed in　　　　　　　 C. so absorbed in　　 D. so absorbed on

11. _______to sunlight for too much time will do harm to one’s skin.　

　 A. Exposed　　　 B. Having exposed　　　　 C. Being exposed 　　　　 D. After being exposed

10.　 What he said at the meeting suggested that he _____with us .

　 A. didn’t agree　　　　 B. shouldn’t agree　　　　 C.　 not agree　　　　 D. should agree

9.　 The bad weather was partly______ for crop failure this year.　

　 A. blame　　　　　 B. to blame　　 C. blaming　　　　　　 D. to have blamed

8.　 It’s dangerous to get close to the building___________.　

　 A. under construction　　　 B. built　 C. been built　 D. building　

7.　 ________do you base your calculation?

　 A. On which　　 B. On what　　 C. About what　 D. For what