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    I usually sleep with the window open it’s very cold. A. until B. unless C. as D. if 【查看更多】

     

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    I usually sleep with the window open _____ it’s very cold.

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

     

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    I usually sleep with the window open _____ it's very cold.
    [     ]
    A. until
    B. unless
    C. as
    D. if

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    I usually sleep with the window open _____ it’s very cold .

    A. until       B. unless      C. as    D. if

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    I usually sleep with the window open       it’s very cold．

    A．until                       B．unless                     C．as                          D．if

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