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!

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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!

填 air-conditioners,air-conditioned
第一个空是“with+名词”结构,“带有.的”的意思,故用名词air-conditioners(空调机);第二个空,是个被动语态,be air-conditioned ,是“被配备空调”的意思.

1.Air-conditioners(空调可数,且前面公车用了复数)
2.conditioned(他们不在状态)

air-conditioners
air-conditioner
前面的是buses with air-conditioners没有公交车上有空调,这里主要是指数量
而后面的是强调空调这一名称概念
希望帮到你咯!
望采纳!(*^__^*)

In the past, there were no buses with air conditioning 在过去,巴士里没有空调
They were not air-conditioned 他们(巴士)没有空调(装置)

be no sth with=be not with sth ,希望你能采纳我的答案,谢谢!