The policeman told the injured bicycle rider that he would have to lie _____ he had fallen until th...
2023-01-29 07:22:30 138次 2010年上海市高二下学期期中考试英语 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The
policeman told the injured bicycle rider that he would have to lie _____ he had
fallen until the arrival of an ambulance.
a.
because b.
where c.
after d.
when
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