同学你好，该知识点来自沪江网校《【Uni智能】雅思7分一站式VIP-中级起点【开学季签约班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好~
Your firend has paid her electricity bill. Perhaps she has paid it. You ask her.   can ask表示一种可能
Your firend has to pay her electricity bill. Perhaps she has paid it. You ask her. can ask表示一种可能
Have you to pay your electricity bill yet?   Do you have to pay your electricity bill?
对have to提问，用助动词do，yet去掉，在这里意思是多余的。
Did she have to pay a fine?
她非得交罚款吗？
Have you paid your electrucuty bill yet? 可以的。注意electricity的拼写。

祝同学学习进步~

PS：这里有一份老学员专属“薅羊毛”攻略，查收请戳>> https://hj.vc/TS0X <<