◎ 题干
--Is the man standing outside the teacher’s office Mr. Zhou?
--No, it ______ be him. He has gone to Hong Kong for an academic conference.
A.mustn’tB.can’tC.needn’tD.couldn’t
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“--Is the man standing outside the teacher’s office Mr. Zhou?--No, it ______ be him. He has gone to Hong Kong for an academic conference. A.mustn’tB.can’tC…”主要考查了你对  【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。