(4302期)描述学校的重要规则Describe a rule that is important in school or at work

允许 be allowed to 常见 it is quite common seen 做的正确 it is doing right上课 take course/ have a lesson/sit in the class/curriculum效率 efficiency 被打扰 get disturbed 好消息 a piece of good news 浏览网站 browse the Internet or news 编辑信息 text message