初中英语题People can protect thier country by ____ the air ,the w
初中英语题
People can protect thier country by ____ the air ,the water and the land.
A.not polluting B.to not pollute
C.not pollute D.not to pollute
应该选哪个填进去?高手帮下忙,且说出原因 谢谢
问答/164℃/2025-02-27 06:52:53
优质解答：
A,by是介词,后面的动词要加ing~