题目内容
A: May I go out to play football, Dad?
B: No, you ________. You must finish your homework first.
A. may not B. needn’t C. shouldn’t D. mustn’t
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题目内容
A: May I go out to play football, Dad?
B: No, you ________. You must finish your homework first.
A. may not B. needn’t C. shouldn’t D. mustn’t