单选题 When I was a child, I used ______ to the river and bathe in the evening.
【正确答案】 B
【答案解析】[考点] 非谓语动词
[解析] used to do sth.:过去常常做某事;be used to doing sth.:习惯于做某事;be used to d0 sth.:被用来做某事。根据句意应选B。