题干

——Did you stay up very late last night?
——No,It was not 10 o’clock yet ____I went to bed.
A.whenB.untilC.thatD.while
上一题 下一题 0.64难度 单项选择 更新时间:2014-01-31 02:05:35

答案(点此获取答案解析)