He did what he could___ his father on the farm.我知道填to help,如果填help有什么语病呢?谢谢
问题描述：
He did what he could___ his father on the farm.我知道填to help,如果填help有什么语病呢?谢谢
答
这里有两个动词,did and help,did有时态变化,所以它为谓语,to help表目的,必须加to.