h____:causing harm p____:polluting or being polluted
h____:causing harm p____:polluting or being polluted
polluting和polluted区别?
polluting polluted pollute pollutes 的区别
the polluting river 和 the polluted river哪个正确?为什么?
Who polluted china and is still polluting?帮我回答一下
Drinking polluted _water the healthA do harm to B does harm
we all know___airdoes harm to our health.(污染) 答案是不是polluting
Little___done to prevent the air from being polluted.
Our surroundings are being polluted faster than nature and m
The air was polluted by the gas from the factoties.The p____
which do you p____ ,train or plane?
keep somebody or something safe from danger or harm