do能不能指代动词短语?如果可以,那么此题:I want to know____you are doing(what/why)为什么why不行
问题描述:
do能不能指代动词短语?如果可以,那么此题:I want to know____you are doing(what/why)为什么why不行
答
do能不能指代动词短语?如果可以,那么此题:I want to know____you are doing(what/why)为什么why不行