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—Look! The man at the gate ______ be our headmaster. He is always standing there every morning.
—No, it ______be him. He is holding a meeting in the office now.

A.must, can’tB.must, mustn’t
C.can’t, can’tD.can’t, mustn’t

A

解析试题分析:must的含义是必须一定,其否定形式mustn’t表示禁止的含义。Can’t含义是,不能,可能不。句意:看,门口的那个男人一定是我们的校长。每天早晨他总是站在那儿。——不,不可能是他。他现在正在办公室主持会议。结合语境可知选A。
考点:情态动词辨析
点评:情态动词的考查是初中英语考查的重点,平时学习中一定要熟记这些词的基本词义及用法上的不同,注意其用法及在句子中表达语气的不同。考试中结合语境选择合适答案。

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