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27．I have been English ten years． A．study,for B．to study,since C．studying,for 【查看更多】

 

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I have been ______ English _______ ten years.

A. study; for      B. studying; since      C. studying ; for   

 

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I have been ______ English _______ ten years.

A. study; for      B. studying; since      C. studying ; for   

 

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I have been ______ English _______ ten years.
A. study; for      B. studying; since      C. studying ; for   

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I have been ______ English ______ ten years.
[     ]
A. study; for
B. studying; since
C. studying; for
D. to study; since

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I have been ______ English _______ ten years


  1. A.
    study; for
  2. B.
    studying; since
  3. C.
    studying ; for

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