My father likes to play badminton but my mother likes to play piano.A. /; theB. the; /C.

问题补充：

My father likes to play badminton, but my mother likes to play piano.

A. /; the

B. the; /

C. the; the

D. /; /

答案：

(答案→)A. /; the

B. the; /

C. the; the

D. /; /

解析：考查冠词的用法。球类前面不加冠词，打羽毛球为play badminton，乐器前面应加冠词，弹钢琴为play the piano，所以选A。