—Aren’t you tired of practicing playing the piano day after day?—, I enjoy every minute of

网友回答

A. On the other hand
(答案→)B. On the contrary
C. Now and then
D. Once again
解析：On the other hand另一方面； On the contrary 相反； Now and then偶尔； Once again再一次。句意：--难道你不厌烦这样日复一日的练习弹琴吗？--恰好相反，我在享受弹琴的每一分钟。故选B。