◎ 题干
—Hi, Helen. You look tired. What happened?
—I ________ well last night.

[     ]

A. didn't sleep
B. hadn't slept
C. don't sleep
D. haven't slept
◎ 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“—Hi, Helen. You look tired. What happened?—I ________ well last night. [ ]A. didn't sleep B. hadn't slept C. don't sleep D. haven't slept …”主要考查了你对  【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。