1. (2019·长春模拟) 假如你是校学生会主席，今天(3月23日)要请你写个通知，要求各班班长于本周五中午12：30在学校一楼会议室开会，讨论下个月的学校活动，每个人带好笔和笔记本，请大家务必参加。请完成这则通知，每空一词。

Notice Attention please,     There will be a in the school meeting room on the floor at 12:30 this Friday. We'll discuss the next month's school . Don't forget to take your pens and .     Please be on time. 32rd Students' Union