He seems too tired today, and I wonder__________ he got a good sleep last night. A．whenB．thatC．ifD．w...
2022-11-27 17:30:40 178次 2013-2014学年高考二轮复习三月精品练习单项选择59英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He seems too tired today, and I wonder__________ he got a good sleep last night.
A．whenB．thatC．ifD．where
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