The car hit the man ------- he was crossing the road.

问题描述:

The car hit the man _______ he was crossing the road.
用when还是while
其实答案是while,但我想知道原因,看了一楼的回答,我没信心了.
1个回答 分类:英语 2014-12-16

问题解答:

我来补答
用while
while引导持续性动作
 
 
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