问题
选择题
— Why didn't you help the little boy?.
— Oh, sorry. He had struggle to his feet ______ I ran over. [ ]
A. before
B. after
C. until
D. since
答案
答案：A
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— Why didn't you help the little boy?.
— Oh, sorry. He had struggle to his feet ______ I ran over. [ ]
A. before
B. after
C. until
D. since
答案：A