摘要： May I watch TV,mom? No, you . You must finish your homework first. A. can’t B. mayn’t C. mustn’t D. needn’t
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－Dad, may I watch TV?
－No, you can’t. You _______ finish your homework first.
A. must B. can C. may
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－Dad, may I watch TV?
－No, you can’t. You _______ finish your homework first.
A. must B. can C. may
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-May I watch TV now, Mum?
-No, you_______. You_______ do your homework first.
A. don't; must B. don't; can't C: can't, must D. can't; can
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