They used to play golf,______.

题目

They used to play golf,______.
横线上填反义疑问句,请问应该怎么填?

答案

They used to play golf,didn't they?
这里是过去时,助动词用did．反义疑问句的特点：因为前面是肯定形式,所以后面要用否定形式．