急. 求英语演讲开场白"老师同学大家好,我演讲的题目是**

good morning（afternoon）,everybody,my dear teachers and classmates, the topic of my speech is ...
谢谢

Hey everyone ,good morning(afternoon).Today,I'm pleased to start my speech.And the topic of my speech is..............

1.Teachers and students Hello, everyone, My topic is
2.Teacher student Hello everyone, my talk is entitled
3.Teacher schoolmate everybody good, I lecture the topic is
4.Good for you, my fellow students teacher's speech entitled,
希望可以帮助你~

Good morning(Afternoon) everyone, today i am could talk about............

hello every body 。