◎ 题干
---_________ ?
---I’m not sure, but he might have been ill in bed.
A.What do you think has happened to Tom
B.What do you think Tom has happened
C.Do you think what has happened to Tom
D.Do you think what Tom has happened
◎ 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“---_________ ?---I’m not sure, but he might have been ill in bed.A.What do you think has happened to Tom B.What do you think Tom has happened C.Do you think w…”主要考查了你对  【therebe句型】  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。