请你以英语课代表的身份，用口头英语通知全班学生，告诉大家下周一上午八点半全班同学到阶梯教室（the lecture room）上英语课，由陈老师上公开课（an open English class），全校英语教师也都要来听课。要求大家做到以下几点：
1．打扫阶梯教室，保持整洁。 2．做好课前各项准备工作。
3．八点半前到阶梯教室，不要迟到。 4．课堂上认真听讲。
5．先举手后发言，对老师要有礼貌。
Hello, everyone! I’ve got something important to tell you.
Hello, everyone! I’ve got something important to tell you. An open English class will be held in the lecture room next Monday. It will be given by Mr. Chen. All the other English teachers will be there for it. Every one of our class must do the following things well:
网友回答
(答案→)Hello, everyone! I’ve got something important to tell you. An open English class will be held in the lecture room next Monday. It will be given by Mr. Chen. All the other English teachers will be there for it. Every one of our class must do the following things well:
解析：试题分析:在写通知之类的应用文的时候，除了注意文章的格式之外，还要注意不要遗漏文章的要点，因为要点也是阅卷老师特别关注的地方。同样也要注意使用合适的连接词让各要点成为一个整体，适当使用序数词。注意使用的词汇要接近口语化。在写作时，主要句型就是祈使句的应用，时态一般应该用一般现在时。