—Have you decided where to go for your summer vacation?

—Not yet. We _________go to Qingdao. It is a good place for vacation.

A. may   B. should    C. need    D. must

–Fifty dollars for such a T-shirt! You _____ be joking!

–I’m serious. It’s made of silk.

A. must　　　 B. need　　　　 C. may　　　 D. can

 — Susan, would you like to go hiking with us this afternoon?

— I'd love to, but I     study for a test.

A. may             B. have to         C. can

—How long may I keep the book?

—You ________ keep it for two weeks.

A. may　　　　　　　　　 B. must　　　 　　　　　　C. will

—Be quiet, Mr Smith is coming.

—Don’t worry. It ＿＿＿ be him. Mr Smith is much taller.

A.  mustn’t      B.    must   C.     can’t

— May I take the magazine out of the reading room?

— No, you can’t. You _________ read it here. It’s the rule.

　 A. must　　　　 　 B. would　　　 　　　 C. may　　　　　　 D. might

It rained heavily, so we _______ stay at home watching TV or surfing the Internet all day.

    A. could                    B. had to                       C. must

---Would you come to my birthday party tomorrow evening?

---I’m afraid I ______. I have to look after my sister.

　 A. wouldn’t　　　 B. can’t　　　　 　　 C. won’t　　　 　　　 D. mustn’t

—Can I borrow your dictionary?

—Yes, you _______.

A. Can　　　　　　　 B. must　　　　　　　　 C. should

— I use your eraser, Rose?

— Sure. Here you are.

A.May B. Would C. Need D. Must