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----Must I finish the jod at seven o’clock?
----No, you___________
A.mustn’tB.can’tC.needn’tD.don’t have
C

试题分析:考查情态动词:句意:我必须在7点完成工作吗?--不,你不必。当疑问句是must的时候,答语应该否定是用needn’t,肯定是用must回答。选C。
点评:情态动词表推测注意以下解题步骤:认真审题,结合所给出的语境,正确把握说话者的语气、情感、态度、观点等。认真思考所给选项中情态动词的基本特征和用法,并结合语境推敲答案。要注意把握时间概念。注意不管是must还是need的问句,回答都是否定是用needn’t,肯定是用must。
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