I’m going to be late for work. There’re ___ buses on this route(线路).
—Which subject is _____, Chinese or maths? —I think maths is.
—_____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.