◎ 题干
-----Who ______ it be that hasn’t handed it in yesterday?
------It _______ be Bob. He handed it in yesterday.
A.can; mustn’tB.must; canC.can; can’tD.may; mustn’t
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“-----Who ______ it be that hasn’t handed it in yesterday? ------It _______ be Bob. He handed it in yesterday.A.can; mustn’tB.must; canC.can; can’tD.may;…”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。