Some people wear masks only in crowds,______ they expect to come into contact with lots of germs.

分类: 作业答案 • 2021-11-13 00:43:33

问题描述：

Some people wear masks only in crowds,______ they expect to come into contact with lots of germs.
A.which B.when C.where D.as

答

C
= in which 指在人群中
引导定语从句