◎ 题干
— Do you know _________ last night? 
— Sorry, I don't know. But I think he should go to bed early because he will have an English exam this
     afternoon.

A. when he goes to bed
B. when he went to bed
C. when did he go to bed
◎ 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“—Do you know _________ last night?— Sorry, I don't know. But I think he should go to bed early because he will have an English exam this afternoon. [ ]A. wh…”主要考查了你对  【一般过去时】【宾语从句】  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。