问题补充:
The little girl devoted all her time the piano.
A. to practice playing
B. to practicing playing
C. for practice playing
D. for practicing playing
答案:
A. to practice playing
(答案→)B. to practicing playing
C. for practice playing
D. for practicing playing
解析:句意:这个小女孩把她的所有时间都用于钢琴上。devote to将……奉献给,把……致力于。结合语境可知选B。