--- What are you doing here, Mrs. White?
---I'm waiting for my son. He________ back from school.
| A．hasn't come | B．won't come |
| C．doesn't come | D．didn’t come |
When he school，he saw his classmates playing volleyball．（ ）
A．arrivedB．got toC．reach
Our school has fifty﹣six teachers．（ ）
A．womanB．womenC．woman's
His grandparents are used in the morning．（ ）
A．to exerciseB．to exercising
C．exercise
cold weather it is!（ ）
A．How aB．What aC．What
There a pencil and some pens in the box．（ ）
A．isB．areC．aren't