英语嘉年华开场白与结束语？

不好意思，我只会开场白，望采纳！

A: Good afternoon, ladies and gentlemen 　welcome to the 2012-2013 “jianianhua” English speaking contest. We are very happy to gather here hold an English afternoon party. I am happy to stand here and have this opportunity to share something with you guys.

B: 尊敬的各位领导，各位来宾，亲爱的同学们，大家中午好，欢迎来到2012—2013年英语“嘉年华”演讲比赛的现场。比赛即将开始为了保证比赛的顺利进行，请您将您的手机处于关闭状态，谢谢合作。