摘要：27．I have been English ten years． A．study,for B．to study,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
查看习题详情和答案>>
I have been ______ English _______ ten years.
A. study; for B. studying; since C. studying ; for