题目内容：

Special attention should be paid to__the esrth from being pollution

优质解答

protect

追答：

protecting

追问：

为什么是 protecting

追答：

这句话变成主动式是we should pay special attention to protecting the earth from being polluted. pay attention to 后面要加动词ing, to是一个介词

追答：

或者填stopping也可以的，反正要ing形式