She is very hard-working,-----he is rery lazy.

问题描述:

She is very hard-working,-----he is rery lazy.
这个空为什么是while而不是when?
1个回答 分类:英语 2014-12-02

问题解答:

我来补答
while是转折联词,'然而'的意思,在这里是将前后做对比
 
 
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