The mother made the poor girl _____(play)the piano for eight hours a day.
问题描述：
The mother made the poor girl _____(play)the piano for eight hours a day.
答
have been playing ，完成进行时表过去一直，由句意可知是一直弹
答
play
答
一般来讲有固定搭配 make sb.(to) do sth.
但根据题意,应为have been playing