Động từ khuyết thiếu

1: It_____ rain this evening. Why don't you take an umbrella?

​

• A. must​

• B. could be​

• C. might​

• D. had better

2: I think you______do exercise regularly in order to keep your body in good shape.

​

• A. should​

• B. must​

• C. may

• ​D. can

3: Your wedding ring is very precious. You ______ lose it.

​

• A. must​

• B. needn’t​

• C. mustn’t​

• D. could

4: “I have got a headache.” – “You _________ go to see the doctor.”

​

• A. should​

• B. might​

• C. could​

• D. may

5. My grandparents live in the suburb. Therefore, whenever we visit them, we__________a bus.

• A. can take​

• ​B. should take​​

• C. have to be taken ​

• D. have to take

6. We__________smoke on the bus.

• A. mustn't​​

• B. can't​​

• C. needn't​​​

• D. mightn't

7. There are a lot of tickets left, so you__________pay for the tickets in advance.

• A. mustn't​​

• B. won't​​

• C. should​​

• D. don't have to

8. You______eat plenty of fruit or vegetables every day because they are good for your health.

• A. oughtn't to​​

• B. mustn't​​

• C. don't have to​​

• D. should

9. You__________wash the car. I had it done yesterday.

• A. mustn't​​

• B. needn't​​

• C. must​​​

• D. may not

10. Vietnamese school students nowadays__________​wear uniform.

• A. have to​​

• B. need to​​

• C. should​​

• D. could