题目内容
— 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.
— 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
B. when he went to bed
C. when did he go to bed
B
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