The problem is__difficult for us

问题描述:

The problem is__difficult for us
the problem is ___difficult for us ____.
A so work out
B very too to be worked out
C rather too to work out
D quite too to work it out
为什么是rather too

答案是C
RATHER==MUCH,用来修饰too.too用来修饰形容词原级difficult.
too- - - to- - - 是一个有用的句型.