题目内容
8.-Be quiet,Mr.Smith is coming.-Don't worry.It ___ be him.Mr.Smith is much taller.( )
A. | mustn't | B. | must | C. | can't |
分析 --安静,史密斯先生来了.
--不要担心.不可能是他,史密斯先生高得多.
解答 答案:C.
mustn't指不允许,表示禁止;must 必须;应该,表猜测时,用于肯定句,意为"一定",可能性较大;can't,表猜测时,常用于否定句,意为"不可能";
根据Mr.Smith is much taller,可知史密斯先生高得多,那个人不可能是他,这里表示否定的猜测,can't不可能.故选C
点评 本题考查了情态动词的用法.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,考试中结合语境选择合适答案.
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