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they had a fire_____ in their basement.luckily,the firemen a

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they had a fire_____ in their basement.luckily,the firemen arrived just in time to put it out
a borken out B broke out C break out D breaking out
1. 答案:C.
2. 解释:楼上理解错误.因为break out是不及物动词短语,它不能用于被动语态.也就是说:a fire只能做break out的主语即两者只能是主动的关系.
3. 只能用省略to的不定式短语即动词原形break out做宾语补足语.
而have sth doing sth意思是“使...一直...”,但是break out又不能延续,所以排除D.