--- Why didn’t you help the little boy? --- Oh, he had struggled to his feet ______ I could run over...
2022-08-31 20:57:17 151次 天津市2019届高三3月高考模拟英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
--- Why didn’t you help the little boy?
--- Oh, he had struggled to his feet ______ I could run over and offered any help.
A. before B. after
C. when D. since
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