◎ 题干
—Who's that under the tree? Is it Jenny?
—It _______ be Jenny. She's ill in hospital today.

[     ]

A. can't
B. must
C. may
D. mustn'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“—Who's that under the tree? Is it Jenny? —It_______ be Jenny. She's ill in hospital today. [ ]A. can't B. must C. may D. mustn'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。