题目内容
--The man in a black suit _______ be our youth worker.
-- I’m sure it _____ be him. I saw him in the laboratory building some minutes ago.
-- I’m sure it _____ be him. I saw him in the laboratory building some minutes ago.
A.must; can’t | B.can; mustn’t | C.can; could | D.must; won’t |
A
试题分析:句意:那个穿黑色礼服的人一定是我们的青年工人。我确信他不是。我几分钟前在实验楼里看见他了。第一个空是一种语气比较肯定的推测,而can’t表示“不可能”,根据后面的I saw him in the laboratory building some minutes ago.可以看出,他在实验室里有可能是科技人员;故选A。
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