-Do I have to do it right now?
--No, you _____. You can do it at any time.

---May I go out to play with my friends now, Dad?
---No. You ______ let your mother know first.
A. may                     B. need                    C. must

–If you have a headache, you _________ lie down and have a good rest.  - Yes, you’re right.
A. shouldn’t
B. had better
C. mustn’t

You            afraid of doing homework. You know, it’s easy. Just be careful.

You_______ buy a gift, but you can if you want to.

---I saw Kate in the park this morning.
---No, it       him. He moved to Canada last week.

The girl__________ swim when she was only four years old. Isn’t it amazing?

- How did Jane get the job so easily?
- She_______ speak French very well.

— I hear Mr White will give us a speech on human rights instead of Mrs Li.
— It        be him — he has gone to New York City.

----Mom, must I put on the jacket?
---- _________. It’s kind of hot today.