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    They didn’ t go to bed they finished their homework. A. until B. because C. when D. if 答案:A 【查看更多】

     

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    They didn't go to bed ______ they finished their homework.

    [     ]

    A. until
    B. because
    C. when
    D. if

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    They didn’t go to bed ______ they finished their homework.

    A. until　　 　　　　 B.because　　 　　　　    C.when　　 　　    D.if

     

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    They didn’t go to bed ________ they finished their homework.

    A．when B．because C．until D．if

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