- Must we sweep the floor right now?- No, you .You can do it later [ ]A. mustn't B. don't C. don't have to 题目和参考答案——青夏教育精英家教网—

题目内容

— Must we sweep the floor right now?
— No, you ________.You can do it later

[ ]

A. mustn't
B. don't
C. don't have to

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