英语演讲开场白和结尾说什么

Dear teachers, hello! Thank you very much for listening to my speech. I hope my speech will not disappoint you! The topic of my speech is……

翻译：各位老师，同学好！非常感谢你们来听我的演讲，希望我的演讲不会让你们失望！本次我演讲的题目是...

1.My speech is over. Thank you for listening.

翻译：我的演讲结束了，感谢各位的聆听。