20. Tom ought not to 　　　　me your secret, but he meant no harm. 　A. have told 　　　　 B. tell　　　　　　　　　　 C. be telling 　 　　　　　　　　 C. having told

19. -There were already 5 people in the car, but they managed to take me as well.

-It 　　　a comfortable journey.　　　　　　　　　　 　A. can't be　　 B. shouldn't be　　　　　　　 C. couldn't have been 　　 D. mustn't have been

18. It's nearly seven o'clock. Jack　　 be here at any moment.　 　A. must　 　　 B. need　 　　　　 C. can　 　　　　　　　　 D. should

17. Johnny, you　　 play with the knife; you　　 hurt yourself. 　A. won't… can't 　　　　　　　　　　　　　　　　　　　　　　　 B. can't…shouldn't 　C. shouldn't…must 　 　　　　　　　　　　　　 D. mustn't…may

16. You 　　　　read that book if you don't want to.　　　　 　A. haven't　 　 B. can't　 　　　　 C. mustn't　 　　　　　　 D. needn't

15. Professor Li, many students want to see you. 　　　　they wait here or outside!　　　　　　　　　　　　　　　　　　　　　　 　A. Do　 　　　　　　　 B. Will　 　　　　　 C. Shall　 　　　　　　　 D. Are

14. 　　　　I repeat the question?　　　　　　　　　 　A. Shall 　 　　　　 B. Will 　 　　　　　　　　 C. Do you want that 　 D. Do

13. Look! What you've done! You 　　　more careful.　　　　　 　A. may be 　　　　 B. had to　　　　　　　 C. should have been 　　　 D. would be

12. -My goodness! I've just missed the train.

-That's too bad. I am sure you 　　　　it, if you had hurried.

A. could have caught 　 　　　　　　　　　　　　　　　 B. had caught 　C. would catch 　　　 　　　　　　　　　　　　 D. could catch

11. What we 　　　　get seems better than what we have.　　　 　A. can　 　　　　　　　 B. could　 　　　　 C. can't　 　　　　　　　 D. couldn't