8. His eyesight was so poor that he _________ read the signposts.

A. shouldn’t B. hadn’t to C. couldn’t D. Can’t

9. You __________ be selfish like that. Don’t just think of your own benefits.

A. should B. shouldn’t C. haven’t to D. don’t have to

10. My car broke down yesterday, so I __________ go to work by bus.

A. had to B. must C. should D. could

11. Linh _________ hurry because the meeting was 15 minutes late.

A. hasn’t to B. hadn’t to C. doesn’t have to D.didn’t have to

12. Leave early so that you _______ miss the train.

A. didn’t B. won’t C. shouldn’t D. mustn’t

13. You __________ talk loudly in public as it is impolite.

A. shouldn’t B. hadn’t better C. had better not D. Both A & C

14. You _________ fly to London this afternoon if you don’t mind changing planes in Paris.

A. must B. have to C. can D. ought to

15. There are many mistakes in this exercise. I _________ go over it again.

A. will have to B. am able to C. would D.could

16. There’s the waitress. I ___________ ask her for the hill.

A. will B. shall C. am able to D. could