◎ 题干
—Who cleaned the classroom?
—_____.

A. Yes, Tom did
B. Tom is
C. Tom was
D. Tom did
◎ 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 cleaned the classroom?—_____.[ ]A. Yes, Tom did B. Tom is C. Tom was D. Tom did …”主要考查了你对  【特殊疑问句】  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。