You need to speak clearly in a group discussion to be successful. You need to do this so people can hear you and can hear what you are saying. If your voice sounds muffled then your classmates wont be able to understand you and will get bored easily. Also you should speak clearly so your teacher can hear you and can give you a better grade than if she just heard a bunch of muffled voices.
I'm not going to do 3-5 sentences but practicing speaking clearly is necessary for a group discussion to be successful because when you speak clear everyone can understand you and you if you don't like speaking in front of a class or anything it will stop you from having to say it again. I know this wasn't long but I hope it helps some!!
