— 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
（题文）---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
—Do we have to finish our homework this afternoon?
—Yes, you ________.
A. must B. can C. may D. need
