How many ways to say goodbye? (say at least two expressions)
Bye, goodbye, bye bye, see you later, see you again, see you, etc.
How many ways to say thank? (say at least two expressions)
Thank you, thank you so much, thanks, etc.
How many ways to say that you don't understand? (say at least two expressions)
I don’t understand. I don’t know. Sorry? Pardon? Can you say that again, please?