The parents will use ----they have to send their son to tech

问题描述:

The parents will use ____they have to send their son to technical school
为什么只能用what ,而不用all
1个回答 分类:英语 2014-09-30

问题解答:

我来补答
The parents will use ____they have (to send their son to technical school)
what=all that
加all则all为定语从句先行词that不可省略
 
 
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