题目内容
【题目】You can find Mary downstairs. She ________ the piano.
A.playsB.is playingC.playedD.was playing
【答案】B
【解析】
略
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题目内容
【题目】You can find Mary downstairs. She ________ the piano.
A.playsB.is playingC.playedD.was playing
【答案】B
【解析】
略