I am good at playing the piano but Lucy is even at it.A. goodB. betterC. bestD. well

问题补充：

I am good at playing the piano, but Lucy is even at it.

A. good

B. better

C. best

D. well

答案：

A. good

(答案→)B. better

C. best

D. well

解析：

试题分析:根据语境可知此题的基本含义是我擅长弹钢琴，而Lucy更擅长它。根据字面意思可知有比较含义，应用比较级，而固定短语be good at sth表示擅长做某事，故选B。