The little girl devoted all her time the piano.A. to practice playingB. to practicing play

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。