They did what they could____the poor children.为什么填to help 不填help呢?

问题描述:

They did what they could____the poor children.为什么填to help 不填help呢?

to help...
The did (what they could) to help the poor children...
what they could 是宾语从句.所以.简化整个句子是
They did sth to help the poor children...
翻译起来就是.他们尽其所能地帮助贫穷的孩子.