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    no need for us to discuss the problem again since it has already been set-tied. A. It has B. There has C. It is D. There is 答:D.no need为名词做主语.或用It is not necessary.... 【查看更多】

     

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    ______no need for us to discuss the problem again since it has already been set-tied.

    A. It has　　 B. There has

    C. It is　　　 D. There is

     

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