She___(play) the piano in the sitting room.

题目

She___(play) the piano in the sitting room.

答案

is playing.根据句子意思：她在客厅里弹钢琴
is playing应该是强调一种状态,正在进行的动作.
用plays也可以,表示一种客观事实,但是在意思上is playing 更加.