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    The Internet celebrated its birthday on September 2nd, by which time 40 years since the first successful transfer of data between two computers. A. has passed B. had passed C. passed D. have passed 【查看更多】

     

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     The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers.

    A. has passed           B. had passed            C. passed                    D. have passed

     

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    The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers


    1. A.
      has passed
    2. B.
      had passed
    3. C.
      passed
    4. D.
      have passed

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     The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers.

    A. has passed         B. had passed           C. passed                 D. have passed

    查看答案和解析>>


    The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers.

    A．has passedB．had passedC．passedD．have passed

    查看答案和解析>>


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