Factories,cars and trucks are _______ the air.(pollute)
Factories,cars and trucks are _______ the air.(pollute)
Cars,planes and factories all pollute our air ().A.one day B
buses,cars and trucks are all v
Cars pollute the air in the form of ------(waste) gas.
翻译:now the roads are crowded with cars ,trucks and buses.the
Factories and c____ make the air dirty.
Factories are_____(不再) allow to pollute the air with black s
the air【】【pollute】
英语翻译Air PollutionThere are many chemicals that pollute the a
Cars pollute the air in the form of ------(waste) gas.请问横线上应
dirty gas from cars and factories We find this in air or wat
完形填空 Cars can pollute the air,but it can't s____