If you want to do better in playing the piano you need more .A. technologyB. practiceC.

问题补充：

If you want to do better in playing the piano, you need more .

A. technology

B. practice

C. pleasure

D. challenger

答案：

A. technology

(答案→)B. practice

C. pleasure

D. challenger

解析：词义辨析题。practice练习，“要想钢琴弹的好，你需要更多的练习。”technology技术、技巧；pleasure乐趣；challenger挑战者。