—Must I return the hook tomorrow morning? —No, you _ .You can keep it longer.

A. mustn't B. can't C. needn't D. couldn't

—Do you know the song Come on, Haixi!—Yes, and I _________sing it well.

A. must B. can C. need

— Must I return the book this week?

— No, you ____. You can _ it for 20 days.

A. mustn't: keep B. needn't; borrow C. needn't; keep D. mustn't; borrow

— _ I use your eraser, Rose?

— Sure. Here you are.

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

—Can I borrow your dictionary?

—Yes, you _______.

A. Can B. must C. should

---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

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

A. could B. had to C. must

— 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

---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

—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