______ in the street, a terrible car accident happened, resulting in three deaths. A. While walking ...
2022-10-30 17:53:19 173次 2014-2015学年天津和平区高三下学期第四次模拟考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
______ in the street, a terrible car accident happened, resulting in three deaths.
A. While walking B. Walk
C. Walking D. When I was walking
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