so as to 和 in order to有什么区别?

问题描述:

so as to 和 in order to有什么区别?
65.I’ll go over the lesson so that I can make progress.(同意句转换)
I’ll go over the lesson ____ _____ _____make progress.

这个空两个短语都可以填,区别就是so as to 不能放在句首