14. I ____ tell her the truth.

A. cannot help    B. can't but  C. may not help       D. could but

13. Sir, you ___ be sitting in this waiting room. It is for this woman and children only.

A. oughtn't to        B. can't      C. won't        D. needn't

12. Johnny, you ___ play with the knife, you __ hurt yourself.

won't; can't             B. mustn't ; may 

C. shouldn't ; must          D. can't ; shouldn't

11. -Could I use your pen?      -Yes, of course you ____ .

A. must       B. could             C. can           D. might

10. A solider got him out of danger. He ____ hurt.

A. may not     B. can have got  C. might have got      D. might get

9. The young man has made so much noise that he ____ not have been allowed to attend the concert.

A. could        B. must            C. would          D. should

8. We ____ last night, but we went to the concert instead.

A. must have studied  B. might study C. should have studied  D. would study

7. He was a good runner so he ____ escape from the police.

A. might       B. succeeded   C. would              D. was able to

6. I didn't hear the phone, I ____ asleep.

A. must be       B. must have been     C. should be    D. should have been

5. There was plenty of time, she ____ .

A. mustn't have hurried             B. couldn't have hurried

C. must not hurry                   D. needn't have hurried