---Does my question sound ________ enough?---I don’t think so. You can ask more ________ by using “could” instead of “can”.
People in Britain say “football” while people in the USA say ____.
---- I’ve had enough bread. Would you like _______ ? ---- No, thanks.
This is ________usual coat,but that __________unusual coat.
Our teacher always helps __________ our study and life.
________ your teacher __________ ? -- She is friendly and helpful.