He was riding to school(-)he was hit by a car this morning怎么

问题描述:

He was riding to school(_)he was hit by a car this morning怎么填
1个回答 分类:英语 2014-11-13

问题解答:

我来补答
绝对填when
这里的when=at that time
早上他正骑车去学校突然就被车撞了
 
 
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