题目内容
【题目】It's my turn to be on duty today. You ________ clean the classroom.
A.may notB.needn'tC.mustn'tD.can't
【答案】B
【解析】
略
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题目内容
【题目】It's my turn to be on duty today. You ________ clean the classroom.
A.may notB.needn'tC.mustn'tD.can't
【答案】B
【解析】
略