It is wise not to pretend to know___ you don't know.A.that B.whatwhy?

分类: 作业答案 • 2023-01-23 06:24:02

问题描述：

It is wise not to pretend to know___ you don't know.
A.that B.what
why?

答

B.what 引导宾语从句,作为know的宾语； that是引导定语从句的,所以不能选