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the fire spread through the hotel very quickly but everyone_

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the fire spread through the hotel very quickly but everyone____get out
A could B was able to
为什么,请详解,到底can 和be able to 有什么区别
指过去具体某一次某人成功做成什么时不能用could,要用was able to
但是,它们的否定式没区别:
He was so drunk that he couldn't(或者 wasn't able to) find the door.