It was _____ that he couldn't finish it by himself.

问题描述:

It was _____ that he couldn't finish it by himself.
It was _____ that he couldn’t finish it by himself.
A.so difficult a work B.such a difficult work
C.so difficult work D.such difficult work
选D 但是错在哪?
C错在哪里?

so+adj.+冠词+名词
such+冠词+adj.+名词
当修饰不可数名词或者复数名词时,不能用so的结构.work是不可数名词