In the past,there were no buses with_____(air-conditioner).They were not______(air-conditioner) 能说明理由就说明一下理由,谢谢!

we leave past in the past ;gonna find the In the past ,we used to s_____letters In the past,we went back to the original less than in the past. There( ) great changes in Shanghai in the past few years. there are many pandas.用in the past 改写句子 There is no future in the past 翻译 We( )school at about half past four in the afternoon. 填空：1.there was much pollution in the past（用in the future改写) there ___ ___ ___ pollution in the future ___ in the past 2.will the flowers come out soon?(做肯定回答) ___,___ ___ 3.改错：1.we will have machines and robots.2.there w In the past month ,we have been __our breatIn the past month ,we have been __our breath for new in the past造句 Memory in the past in the past two in the past翻译 ：in the past century in the past long in the past few Trapped in the past in the past