who is he who he is 有什么区别,怎么用

问题描述:

who is he who he is 有什么区别,怎么用

who is he是疑问句,表示提问“他是谁”.另外还有who are you也类似.
who he is 是陈述句的语序,一般用作从句,例如:i don't know who he is.我不知道他是谁.