---What is your mother going to do this Saturday ?

---I’m mot sure . She ____ go to see my grandmother .

A. can　 　　　　　 B. must　　　　　 C. may

— Must I be in hospital for a week, Doctor? 

— No, you ____. You can go back home tomorrow.

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

 ---Must I do the work today? 

---No, you ____. You may do it tomorrow.

A. can’t               B. mustn’t             C. shouldn’t           D. needn’t

__This pair of shoes ____ belong to Jack. He likes this kind very much.

— It ____ be his. It’s too large for him.

A. can; can’t     B. may; needn’t  C. must; mustn’t  D. must; can’t

— Wow! You look different! You            wear glasses.

— Yes, I did. But now I am wearing contact lenses(隐形眼镜).

    A. could    B. must C. used to  D. would

--Look at that girl! Is it Susan?

--No, it _______ be her. She has gone back to her hometown.

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

 —Do we have to finish our homework this afternoon?

—Yes, you ________.

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

 -- It ______ be rainy, cloudy or sunny. Who knows?

     A. must           B. might              C. shall              D. should

---_____ I have a ticket , please?                                           

---Sorry, sir. All the tickets were sold out ten minutes ago.

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

 — Must I finish my homework right now?

— No, you ____.

A. needn’t             B. may not              C. mustn’t        D. can’t