With time going by,China is not___it used to be thirty years ago.

分类: 作业答案 • 2023-01-05 14:01:46

问题描述：

With time going by,China is not___it used to be thirty years ago.
A.that B.what C.which D.when
为什么？

答

With time going by,China is not (what) it used to be thirty years ago.
随着时间的推移,中国已不再是三十年前的中国.
这里what引导的是一个名词从句,what在句中作it used to be的表语