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    I have been English since I was seven. A. learned B. learn C. learning D. learns 答案:C 【查看更多】

     

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    I have been ______ English since I was seven.

    A. learned　　 　　　　    B.learn　　 　　　　　　　　 C.learning　　 　　 　　   D.learns

     

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