MODAL VERBS

1. You __________ use your mobile phone in the exam.

• A. oughtn’t to

• B. mustn’t

• C. don’t have to

• D. shouldn’t

2. My grandparents live in the suburb. Therefore, whenever we visit them, we __________ a bus.

• A. must take

• B. should take

• C. have to be taken

• D. have to take

3. We __________ smoke on the bus.

• A. mustn’t

• B. can’t

• C. needn’t

• D. mightn’t

4. There are a lot of tickets left, so you __________ pay for tickets in advance.

• A. mustn’t

• B. won’t

• C. should

• D. don’t have to

5. You __________ eat plenty of fruit or vegetable every day because they are good for your health.

• A. oughtn’t to

• B. must

• C. have to

• D. should

6. You __________ wash the car. I had it done yesterday.

• A. mustn’t

• B. needn’t

• C. mightn’t

• D. may not

7. She is a good teacher; thus; I think you __________ to ask her for some advice.

• A. should

• B. must

• C. have

• D. ought

8. It’s a secret. You __________ let anyone know about it.

• A. mustn’t

• B. needn’t

• C. mightn’t

• D. should

9. Vietnamese school students nowadays __________ wear uniform.

• A. have to

• B. need

• C. should

• D. must

10. We __________ open the lion’s cage. It is contrary to zoo regulations.

• A. must

• B. mustn’t

• C. needn’t

• D. shouldn't