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    So far a series of problems brought about by this decision. A. have B. has C. has been D. have been 【查看更多】

     

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    So far a series of problems ________ brought about by this decision.

    A. have                    B. has             C. has been            D. have been

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    So far a series of problems ________ brought about by this decision.

    A. have                    B. has             C. has been            D. have been

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    So far a series of problems ____ brought about by this decision.

    A. have　　　　 　 B. has　　　 　 C. have been　　 　 D. has been

     

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    So far a series of problems ________ brought about by this decision．

    [　　]
    A．

    have

    B．

    has

    C．

    have been

    D．

    has been

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