必考“9大情态动词”专项习题

📝 10道情态动词选择题（每题3个选项）

1. You ____ brush your teeth every day.
A. can　　B. should　　C. may

2. ____ I borrow your pen?
A. Must　　B. Need　　C. May

3. It ____ rain later, so take an umbrella.
A. must　　B. might　　C. can

4. You ____ worry. Everything will be fine.
A. needn't　　B. mustn't　　C. can't

5. I ____ swim when I was five years old.
A. can　　B. could　　C. may

6. The light is on. She ____ be at home.
A. can　　B. must　　C. may

7. You ____ stop at the red light. It's the law.
A. have to　　B. may　　C. can

8. ____ you please pass me the salt?
A. Must　　B. Need　　C. Could

9. You ____ smoke here. It's forbidden.
A. needn't　　B. mustn't　　C. may not

10. I can't find my keys. I ____ have left them at home.
A. must　　B. might　　C. can

✅ 答案

1. B　2. C　3. B　4. A　5. B　6. B　7. A　8. C　9. B　10. B