What happened while Linda was ______ the telephone?

Who argued ______ your best friend?

If your answer is “yes”, you can call Tim ______ 234-765.

Our school is ______ children ______ 5-12.

Drugs can do great harm (危害) not only to you but also to your family. You must be _________them.

—Many teenagers show interesting the books that are written ________Guo Jingming.
—That’s true. My son says he can get what he thinks and wants in his books.

—How do you study English well?
—__________ working hard.

The university student borrowed some money _____his friends to start his own business.

—When did the car accident happen?
—It happened ____ a rainy night.
A. at                     B. on                   C. in

–What do you often do ________ classes to relax?
–Listen to music or walk around the school.
A. over     B. through     C. between