一Mum,mustIcleanmyroom?-No,you      .A.mustn't    B.need...

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问题详情:

一Mum,mustIcleanmyroom?-No,you      .A.mustn't    B.need...

一Mum,must I clean my room?-No,you       .

A.mustn't     B.needn't      C.can't

【回答】

B

知识点:情态动词

题型:选择题

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