In our school library there ____ a number of books on science and the number of them ____ growing larger and larger.
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 .
These words that we should pay attention to on the blackboard.