◎ 题干
—_____ did you sleep last night?
—I was reading too late to fall asleep.

A. How long
B. Why
C. How soon
D. How
◎ 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“_____ did you sleep last night? I was reading too late to fall asleep. [ ]A. How longB. Why C. How soon D. How …”主要考查了你对  【疑问副词】  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。