of our classmates are good at basketball.
— Sandy, do you ________ tomorrow’s party? — Yes. Everything is OK.
Mr Wang is ________ Maths teacher. He teaches ________ Maths.
— Millie, ________ late for school again. — Sorry, I won’t.
There are nine ________ students in our school.
— Can I borrow ________books about biology from you? — Sorry, I don’t have ________.