each year among the 250 million people who get sick because of water pollution

分类: 作业答案 • 2021-11-13 00:33:35

问题描述：

each year among the 250 million people who get sick because of water pollution
这个定语从句who 可以改成that吗

答

可以的.that引导的定语从句可指人也可指物.