◎ 题干
The little kid ________ to bed twenty minutes ago, but now he's running around the kitchen.

[     ]

A. put
B. has put
C. was put
D. was putting
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“The little kid ________ to bed twenty minutes ago, but now he's running around the kitchen.[ ]A. put B. has put C. was put D. was putting …”主要考查了你对  【被动语态】【一般过去时】  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。