Question

How speak English in public place 

Answer 1

 if you are going to give a speech in a public place first prepare it in your mind your pronunciation must be clear . practice it as much as you can at your home before your speech . practice your speech in front of mirror . be confident while you speech.don't hesitate while speaking. i hope these points will help you

Answer 2

Pratice makes a man perfect. So u should practice.
Either learn it oor read it several times.
Make sure you pronouciate every word properly.
Moreover, be confident and everything will be alright.