The young couple, who returned my wallet, left _____ I could ask for their names. A.before B. while ...
2022-11-08 12:15:11 104次 2014-2015学年江苏苏州工业园区高三12月月考调研考试英语试卷卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The young couple, who returned my wallet, left _____ I could ask for their names.
A.before B. while C. after D.since
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