Do you know if she's plays the piano?这里plays 是她会弹,还是她弹过没有.
问题描述：
Do you know if she's plays the piano?这里plays 是她会弹,还是她弹过没有.
答
从语法上讲,在这里用plays有问题,应该：Do you know if she is playing the piano?是否正在弹或 .Do you know if she plays the piano?是否会弹 或Do you know if she has played the piano 是否弹过?...