But it is too hard__4___learn another language well.People must work very hard.A.that B.as C.for D.to选什么、为什么?

问题描述:

But it is too hard__4___learn another language well.People must work very hard.
A.that B.as C.for D.to
选什么、为什么?

too...... to表示太……以至于不能
固定句式

D
too …to
太……而不能……

选D
too...to..."太...,而不能,"
但是它是太难了而不能学好另一种语言.