初中英语作文：notice通知

　　Mr. Smith, it is a notice to the audience.It says that we should enter the concert hall 30 minutes earlier before the concert starts. Entrance to the hall is by ticket only, each one each ticket.

　　史密斯先生，这是一则观众须知。上面说我们应该在音乐会开始前30分钟入场，每人凭票进入。