◎ 题干
—Who ______ the piano?
—My sister, when she ______ time.

[     ]

A. plays; has
B. is playing; has
C. plays; is playing
D. is playing; has had
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Who ______ that piano? —My sister, when she ______ time. [ ]A. plays; has B. is playing; has C. plays; is having D. is playing; has had …”主要考查了你对  【一般现在时】【现在进行时】  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。