You’d better _________ to the old like that, it’s ________.
—_____were you born, Peter? —I was born in 1998.
If you have _____ questions, please put up your hands.
I work harder at my lessons this year _____ I have made good progress.
Winter holidays will begin _____ January 17.
Good morning, class. Today ____ are going to learn a new unit, Unit 12.