Factories are_____(不再) allow to pollute the air with black s
Factories are_____(不再) allow to pollute the air with black s
Factories,cars and trucks are _______ the air.(pollute)
the air【】【pollute】
This pollutes the air.中pollute为什么要加s
Cars,planes and factories all pollute our air ().A.one day B
Factories and c____ make the air dirty.
Cars pollute the air in the form of ------(waste) gas.
Please circle the things that pollute the air是什么
with one's nose in the air
英语翻译Air PollutionThere are many chemicals that pollute the a
Air _____ (pollute) is the most serious of all.
The air in big cities ______ very dirty by factories.