练习册

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    The lab five years ago. 【查看更多】

     

    题目列表(包括答案和解析)

    Please be careful in the lab, ________ you?

    [　　]

    A．will

    B．won't

    C．don't

    D．do

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    When the second class began, I ________ that I had left my book in the lab．

    [　　]

    A．have known

    B．realize

    C．have realized

    D．realized

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    We ________ to close the windows before we left the lab．

    [　　]

    A．tell

    B．told

    C．are told

    D．were told

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    －How many students are there in the classroom?

    －________．They are all in the lab．

    [　　]
    A．

    Some

    B．

    None

    C．

    All

    D．

    Neither

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    －How many students are there in the classroom?

    －________．They are all in the lab．

    [　　]
    A．

    Some

    B．

    None

    C．

    All

    D．

    Neither

    查看答案和解析>>


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