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    Years ago we didn't know this, but recent science that people who don't sleep well soon get ill. A. showed B has shown C. will show D. is showing 【查看更多】

     

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    Years ago we didn't know this, but recent science ______ that people who don't sleep well soon get ill.

    A. showed              B. has shown        C. will show         D. is showing

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    Years ago we didn’t know this, but recent science _______ that people who don’t sleep well soon get ill.

    A. showed       B. has shown        C. will show        D. is showing

    查看答案和解析>>

    Years ago we didn't know this, but recent science ______ that people who don't sleep well soon get ill.

      A. showed              B. has shown        C. will show         D. is showing

    查看答案和解析>>

    Years ago we didn’t know this, but recent science ______that people who don’t sleep well soon get ill.

    A．showed

    B．has shown

    C．will show

    D．is showing

     

    查看答案和解析>>

    Years ago we didn’t know this , but recent science______that people who don’t sleep well soon get ill.

    A．showed

    B．has shown

    C．will show

    D．is showing

     

    查看答案和解析>>


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