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    Mr. Green is said an experiment to prove the new method of solving the problem when young. A. to do B. to have done C. to be doing D. to have been doing 湖南 刘良求 岳巧玲 山东 丁道文 周静 广东 许爱平 答案及部分解析: 1-5 CDDAD 6-10 DDCAB 11-15 BDABC 16-20 CACDB 21-25 CDCDA 26-30 DDBBD 31-35 ADDBC 36-40 ACCAB 41-45 CDABB 46-50 ADABB 【查看更多】

     

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    Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.

    　　A. to do            B. to have done       C. to be doing        D. to have been doing

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    Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.

    　　A. to do            B. to have done       C. to be doing        D. to have been doing

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    Mr. Green is said _____ an experiment to prove the new method of solving the problem when young.

    A. to do            B. to have done　　　 C. to be doing     　 D. to have been doing

     

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    Mr. Green is said _____ an experiment to prove the new method of solving　the problem when young.

        A. to do                      B. to have done

        C. to be doing                D. to have been doing

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    Mr. Green is said _____ an experiment to prove the new method of solving　the problem when young.

    　　A. to do            B. to have done

    　　C. to be doing      D. to have been doing

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