the air in shenyang is very dirty.let s stop____it.a.polluted b.to pollute c.polluting d.pollutes 选什么?

the air in shenyang is very dirty.let s stop____it.a.polluted b.to pollute c.polluting d.pollutes 选什么? There are more people in Shenyang than in Changchun改为同义句改为：The population of Shenyang is __than__of Changchun. in the open air stick in the air in the air是什么意思 in the air on the air 辨析 in the air,on the air,in air,on air in the open air造句 catch bubbles in the air In the Air意思是? castles in the air是什么意思 In The Air Tonight 歌词 love isdefintely in the air. Love's In The Air Breathe (In The Air) 歌词 on the air 、in the air 、in the open air的区别 in the air 和on the air的区别是什么? The weather in guangzhou is hotter than ____in shenyang. A.that B.It C.this 怎选?