the air【】【pollute】
the air【】【pollute】
Cars pollute the air in the form of ------(waste) gas.
Please circle the things that pollute the air是什么
英语翻译Air PollutionThere are many chemicals that pollute the a
This pollutes the air.中pollute为什么要加s
Air _____ (pollute) is the most serious of all.
Factories,cars and trucks are _______ the air.(pollute)
pollute the
Cars pollute the air in the form of ------(waste) gas.请问横线上应
The river and air __(pollute)since the paper factory opened
but we now have less trees ,and the air and water is pollute
完形填空 Cars can pollute the air,but it can't s____