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    It is said in the book that Thomas Edison the world leading inventor for sixty years. A. would be B. has been C. had been D. was 此题难度较大.无数考生拜倒在其脚下.错误的原因是:看到for sixty years.再加上前面用了一般现在时的动词is.便以为是现在完成时.所以选择B.殊不知题目中给出的是一段过去的时间.而一般过去时也可以用以描述过去的一段时间的事实.所以答案是D:爱迪生过去曾经连续60年是世界上发明创造界的领袖. 【查看更多】

     

    题目列表(包括答案和解析)

    It is said in the book that Thomas Edison (1847—1931) ________ the world-leading inventor for sixty years.

    A. would be    B. has been   C. had been    D. was

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    It is said in the book that Thomas Edison (1847—1931) ______ the world-leading inventor for sixty years.


    1. A.
      would be
    2. B.
      has been
    3. C.
      had been
    4. D.
      was

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    It is said in the book that Thomas Edison (1847-1931)  _____ the world leading inventor for sixty years .

    [     ]

    A. would be
    B. has been
    C. had been
    D. was

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     It is said in the book that Thomas Edison (1847-1931) _____ the world leading inventor for sixty years.

       A. would be        B. has been        C. had been        D. was

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    It is said in the book that Thomas Edison(1847-1931)________ the world leading inventor for sixty years．

    [　　]
    A．

    would be

    B．

    has been

    C．

    had been

    D．

    was

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