-Do you________your son after school? -No.He comes back home on the school bus.
I haven’t got ________ erasers.I think Ann has got ________.
There are two American boys and ____English girl in my class.
Betty is in front of me,so I am ________Betty.
There’s old pencil on the book. pencil is mine.
-_______students are there in your class,Mr Li? -Fifty.