—Can I wear any clothes I like to school?
—No, you can’t. You ___ wear a uniform.

–Whose shirt is this?
--It _______ be Li Lei’s. It is too big for him.

—It’s such a long way! What shall I do?
一You——take my car if you want
A will      B must    C may              D shall

--Listen! Is it Linda singing in the next room?
--No, it __________ be her. She is still in Shanghai.

---__________ I have a ticket , please?                                          
---Sorry,sir. All the tickets were sold out ten minutes ago.

I’m very glad I have my own room in my house. I ______ do what I want in it.

–Look at that girl! Is it Susan?
--No, it _______ be hers. She has gone back to her hometown.

——Must I leave the room now?
——No，you    .

—Have you decided where to spend your summer holiday?
—Not yet. We _________ go to Qingdao.

He ________ to swim when he was five.