Nowthe air in our city is ____than it used to be我知道填even worse可是是为什么呢?

Nowthe air in our city is ____than it used to be我知道填even worse可是是为什么呢? the air bag in our car w()填词 If there in( )pollution,the air in oIf there in( )pollution,the air in our city will be ( )dirtier. (with air /in air /by air ./through air) 如何翻译If there are more trees,the air in our city will be much cleaner. We are unaware of the air pollution in our daily life. We _______(not have)air conditioners in our old house,because we ______(save) energy. The air in our city now is ___________than it was beforA,much better B.more better The air bag in our car w_ 看可以填什么、、 Air pollution is one of the b____problems in our life 按首字母应该填什么 b____ while in bed we must not cover our head to get enough frest air 翻译 We need （ ） in our field trip A.tent B.air-conditioner we fall down from air ,but our nativeplace is not in the sky . The population in that country____slowly nowThe population in that country (is increasing slowly now为什么要用is increasing 用被动语态填空My father's car______(repair) last weekEnglish _______(speak) old over the world nowThe flowers in our small garden _____(walte) every dayThis book _______(write) about ten years agoThe doors and windows ______(shut) last night a in the open air stick in the air in-air是什么意思啊?