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

分类: 作业答案 • 2021-12-19 16:28:08

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