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英语
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Must I clean the classroom now?No,you____.You can do it after school. A.mustn't B.can't C.don't
选什么,写出理由!急啊!
人气：260 ℃ 时间：2019-09-20 09:58:19
解答
C. don't 这里是把后面的 have to 省略了.
you don't have to = you needn't
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