(1) Xiaoyu and Xiao Fang don't know each other correctly. Xiao Fang didn't realize that it is a citizen's obligation to fight against illegal activities, and the right of supervision is a political right given to citizens by the Constitution and laws. Xiaoyu didn't realize that citizens must exercise their supervisory power in a legal form.

(2) Talk outline: ① Adhere to the principle of the unity of rights and obligations; ② Follow laws, rules and procedures to ensure effective political participation; (3) continuously enhance the sense of participation and improve the ability of political participation.

(3)① Write a letter, make a phone call, log on to the government website or report the situation directly to the traffic control department; (2) To report the situation to the local people's congresses and ask questions to the relevant departments through them; (3) report the situation to the local news media and expose it to the society through reporters.