Criticism and self-criticism necessary it helps us to correct mistakes.

分类: 作业答案 • 2022-01-09 18:03:09

问题描述：

Criticism and self-criticism ____ necessary ____ it helps us to correct mistakes.
A.is;in that
B./
C.is;at that
D./
为啥选A?

答

批评是不可数名词,用is.后半句是that做连词引导的一个宾语从句,要到高中才学

Criticism and self-criticism ____ necessary ____ it helps us to correct mistakes.