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    The driver could have survived but he the seat belt. A. had been fastening B. hadn’t fastened C. was fastening D. didn’t fasten 【查看更多】

     

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    The driver could have survived,  but he ____ the seat belt.

    A. had been fastening   B. hadn’t fastened   C. was fastening    D. didn’t fasten

     

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    The driver could have survived but he ________ the seat belt．

    [　　]
    A．

    had been fastening

    B．

    hadn't fastened

    C．

    was fastening

    D．

    didn't fasten

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