1.The thought of going back home was ___ kept him happy.为什么用all that不用a...

问题描述:

1.The thought of going back home was ___ kept him happy.为什么用all that不用a...
1.The thought of going back home was ___ kept him happy.为什么用all that不用all what?
2.Human facial expressions differ from those of animals in the degree ___ they can be controlled.为什么用to which不用for which?

1,be动词后面的定语从句一般用that.但是,这是国内的考试思想,在北美,BE后面完全可以用WHAT,但是国内考试就算是错的.This big news is what he's been expecting.这句话没有错误.