练习册

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    By the time the firemen arrived, the fire for half an hour. A. had gone out B. had been out C. had been put ont D. bas been put out 答:B.go out为不及物短语.意为“熄灭 .put out是及物的短语.意为“扑灭 .可用被动语态.但go out和put out均为暂短性动词. 【查看更多】

     

    题目列表(包括答案和解析)

    By the time the firemen arrived, the big fire ___ for nearly half an hour.
     [     ]
    A. had gone out  
    B. had been put out  
    C. had put out
    D. had been out

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    By the time the firemen arrived, the big fire ___ for nearly half an hour．

    A． had gone out 　　 B． had been put out C． had put out　　　　　 D． had been out

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    By the time the firemen arrived, the big fire ________ for nearly half an hour．

    [　　]

    A．had gone out

    B．had been put out

    C．had put out

    D．had been out

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