根据短文的内容填写所缺的单词，每空一词

Nothing can be completed without rules. As students, they should be about their studies first. After class, they can spend some time doing thingshelping the old. They should be friendly to the old, too. Don't talk to them. What's more, the students should also be allowed to make their own decisions, parents should allow them to the concert, but girls should not be allowed to get their ears . So remember it is important for us to follow rules.