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—Isn’t Ann’s husband over there?
—No, it _____ be him — I’m sure he doesn’t wear glasses.
A.can’tB.must notC.won’tD.may not
A

试题分析:本题考察的是情态动词表示推测,can’t表示有把握的否定推测“不可能”;must not禁止,千万不能;won’t不会;may not也许不…;句义:—那边的不是Ann的丈夫吗?—不可能是他。我确信他不戴眼镜。根据I’m sure he doesn’t wear glasses.可知后者确信不可能是Ann的丈夫,故使用can’t表示有把握的否定推测。故A正确。
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