—Can we run across the road now?—No, we _ . We have to wait until the light turns green.
— 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 ________.