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    Important tasks a lot of hard work and take a long time to complete. A. call for B. call on C. call in U. call at 【查看更多】

     

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    Important tasks ________ a lot of hard work and take a long time to complete.

    A．call for

    B．call on

    C．call in

    D．call at

     

    查看答案和解析>>

    Important tasks ________ a lot of hard work and take a long time to complete.

    A．call for

    B．call on

    C．call in

    D．call at

     

    查看答案和解析>>


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