It's very important to get along with teachers in school because it helps you to live a happy life,you're supposed to______ if you want to get along well with teachers.( ) ①try to help teachers do what you can as often as possible ②fight with teachers if they point out your mistakes ③try to understand and say"thanks"to them for what they have done for you ④argue with teachers if you can't agree with them ⑤be always polite to teachers when you ask for a favor