◎ 题干
— Liu Fang, I didn't know you can play the Pipa and Guzheng so well.  
— Well, actually I ________ it since I was six years old.  
[     ]
A. plays    
B. have been playing      
C. played      
D. had been playing
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“— Liu Fang, I didn't know you can play the Pipa and Guzheng so well.— Well, actually I ________ it since I was six years old.[ ]A. plays B. have been playin…”主要考查了你对  【现在完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。