Give a + and a - answer: Coffee?
Yes, please. / I'm OK, thanks! / No, thanks.
Give 2 answers: -Thank you!
You're welcome / No problem / Any time/ etc.
Give a short answer: - Hi, nice to meet you!
And you! /You too!
The waiter says: "Here you are", and you say...
Thanks! / Thank you!
Give 2 different answers.
It's OK / No problem / Don't worry
Give 2 different answers to the question.
I'm fine. /Pretty good / Fine / Not bad.