题目内容
—Tom can’t find his gloves. Are these blue gloves his?
—No, they ______ be his. His gloves are black.
A. must B. may C. can’t D. mustn't
【答案】
C
【解析】
试题分析:句意:汤姆找不到他的手套。这些蓝色的手套是他的吗?不,不可能是他的。他的手套是黑的。在英语中,表示肯定的推测常用must,表示否定的推测常用can。根据no可知是否定推测,所以选C。
考点:考查情态动词。
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