people have found new ways ___ our environment .A.to protecting B.protect C.to protect D.protects .

分类: 作业答案 • 2021-12-19 16:27:07

问题描述：

people have found new ways ___ our environment .
A.to protecting B.protect C.to protect D.protects .

答

c
find ways to do sth ,找到做什么事情的办法.