____did she come to the police station for this morning?

问题描述:

____did she come to the police station for this morning?
To find her lost child.
这里怎么不是填why而是填what?

what for 是干什么的意思.如果没有后面的for,就可以填 why了.既然有了 for,就应当填 What.
今天上午,她到警察局干什么去了?