题目

Raw material is ________
A、that we are in need of
B、that being in need of
C、what being in need of
D、what we are in need of

提问时间：2021-01-01

答案

选D
这句话可以看成 what we are in need of is raw material.我们说需要的是原料.这是what引导的表语从句.