◎ 题干
—Listen! Is Professor Johnson giving a report in the hall?
—No, it _____ be him. He has gone to Japan.
[     ]
A. needn't
B. may not
C. mustn't
D. cannot
◎ 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“—Listen! Is Professor Johnson giving a report in the hall? —No, it _____ be him. He has gone to Japan. [ ]A. needn't B. may not C. mustn't D. cannot…”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。