◎ 题干
____ you play ____ piano ____ when you were young?
A.Can, /, good B.Could, /, well
C.Could, the , well D.Can, the, good
◎ 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“____ you play ____ piano ____ when you were young?A.Can, /, goodB.Could, /, wellC.Could, the , wellD.Can, the, good…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  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。