—Do you know ______ last night?—Sorry , I don't know. ButI think he should go to bed early beca
A. when he goes to bed B. when he went to bed C. when did he go to bed D. when does he go to bed
题目简介
—Do you know ______ last night?—Sorry , I don't know. ButI think he should go to bed early beca
题目详情
—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
D. when does he go to bed
答案