◎ 题干
— Has Tom finished writing his essay today?
— I have no idea. He _____ it this morning.

A. wrote
B. has written
C. was writing
D. had written
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— Has Tom finished writing his essay today? — I have no idea. He _____ it this morning. [ ]A. wroteB. has written C. was writingD. had written …”主要考查了你对  【过去进行时】  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。