Think it over， ______ you’ll work out the math problem.
| A．or | B．because | C．but | D．and |
Tom is a clever boy. He playspiano very well.
A. the B. a C. an
We should be glad to help.
A. other B. others C. the others
—Would you like something to eat?
一Some， please.
A. rices B. fishes C. tomatoes
The policeman asked Mr. Smith .
| A．what did his car look like | B．how was his car |
| C．how his car looks | D．what his car looked like |
These words that we should pay attention to on the blackboard.
| A．being written | B．are writing | C．are written | D．writing |