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    -Have all the important letters been delivered at the first time? -I’m sorry. only 40% of them. A.It is B.They are C.There are D.It has been 答案 A 【查看更多】

     

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    77. --- Have all the important letters been delivered at the first time?

    --- I’m sorry. _______ only 40% of them.

    A．It is

    B．They are

    C．There are

    D．It has been

     

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    77. --- Have all the important letters been delivered at the first time?

       --- I’m sorry. _______ only 40% of them.

      A. It is        B. They are            C. There are           D. It has been

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    —Have all the important letters been delivered at the first time?

    —I’m sorry.　　　 only 40% of them.

    A.It is　　　　 B.They are　　　 C.There are 　　 D.It has been

     

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