the room is cooled_______air conditioner 答案是by还是with;理由是什么?

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the room is cooled_______air conditioner 答案是by还是with;理由是什么?

the room is cooled_______air conditioner 答案是by还是with;理由是什么?
the room is cooled_______air conditioner 答案是by还是with;理由是什么?

the room is cooled_______air conditioner 答案是by还是with;理由是什么?
应该用with,这句话不是被动句,is cooled表示一种状态,with加使用工具,by的行为主体应该是by后面跟的词语应该是才是行为主语,比如he was killed by a falling stone=A falling stone killed him.很显然,这句话room,所以应该用with

by 被动

with 相当于the room with air conditioner is cooled_

the room is cooled with air conditioner. with 在这里意思是“用,以”

by,是被动语态,用by加动作的发出者