I used to play ping ________pong a lot in my spare time，but now l am ________in football．

I used to play ping ________pong a lot in my spare time，but now l am ________in football．

A.interest

B.interests

C.interesting

D.interested

答案及解析： D

解析：

be interested in对某事感兴趣；

be interesting有趣。