-Mr John, we must hand in our homework today, ________?-No, you ________．But you must bring it to school tomorrow．A.needn't we; mustn'tB.mustn't we; needn'tC.mustn't you; mustn'tD.needn't we; needn't
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B解析由must构成的疑问句，肯定回答：Yes, you must．否定回答：No, you needn't．本题既是反意疑问句，又要作否定回答。