上海某中学的陶陶与豆豆是同班同学，他们有一段关于家乡的对话（如图）。请你阅读对话，回答下面小题：
依法治国的根本目的是保证人民行使当家作主的权利，维护人民当家作主的地位（ ）
________ my father _______ my mother is able to drive a car. However, they are going to buy one.
