She thinks herself a top student.The sentence structure is________.
I went to Sanya with my family this summer and all of us _____ a good trip.
—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.