Factories and c____ make the air dirty.

Factories and c____ make the air dirty. Factory and c____ make the air dirty The air in big cities ______ very dirty by factories. dirty gas from cars and factories We find this in air or wat Some factories is poring dirty air in the sky.这就话对么? Factories,cars and trucks are _______ the air.(pollute) make the air cleaner and cooler英语翻译 1.some factories ofen p______ dirty water into the river. Sometimes the air is too dirty to breathe and the rivers are The dirty air is making the stone crumble and decay even fas The air is very dirty.对very dirty提问 英语翻译the more dirty air we will