I used to go shopping and _sports with friends.是play还是playing

题目

I used to go shopping and _sports with friends.是play还是playing

答案

填play.
过去常常做某事：used to do sth.
这个句子可以写成两个句子：
I used to go shopping; I used to play sports with friends.
或：I used to go shopping and play sports with friends.