why not 后跟do 还是doing?

问题描述:

why not 后跟do 还是doing?
1个回答 分类:英语 2014-11-05

问题解答:

我来补答
当然是do.Why not=why don't you 或者why do you not..当然主语不一定是you,根据语义变化.
 
 
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