Mr. Smith works as a government official now, but he in a middle school for 5 years. A. has worked B. worked C. had worked D. had been working 查看更多

 

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 Mr. Smith works as a government official now, but he ______ in a middle school for 5 years.

  A. has worked    B. worked     C. had worked    D. had been working

 

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Mr. Smith works as a government official now, but he ________in a middle school for 5 years.

A. has worked    B. worked     C. had worked    D. had been working

 

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 Mr. Smith works as a government official now, but he ____________ in a middle school for 5 years.

  A. has worked    B. worked     C. had worked    D. had been working

 

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Mr. Smith works as a government official now, but he ____________ in a middle school for 5 years.


  1. A.
    has worked
  2. B.
    worked
  3. C.
    had worked
  4. D.
    had been working

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Mr. Smith works as a government official now, but he ____________ in a middle school for 5 years.

  A. has worked    B. worked     C. had worked    D. had been working

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