The exercise is_____difficult______. A.so,that few of us can do it.B.too,for anyone of us to do it.

问题描述:

The exercise is_____difficult______. A.so,that few of us can do it.B.too,for anyone of us to do it.
参考答案是D,我想知道为什么?谢谢 !

too ...to 太而不能 ,所就选D ,
根据意思,另外根据句型及句子成份.不能用that从句