◎ 题干
—Listen !  Is Professor Bloom giving a speech in class?  
—No,it ______be him. He has gone to France.  
[     ]
A. may not                  
B. mustn't  
C. needn't                  
D. can'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“— Listen! Is professor giving a speech in class? — No, it ______ be him. He has gone to France. [ ]A.may not B.mustn't C.needn'tD.can't …”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。