动词填空。用括号内所给动词的适当形式填空。
1. ______ (not quarrel) with each other again. It just makes the problem more serious.
2. I was told when I was young that Shanghai _______ (lie) in the east of China.
3. Children are often told not to listen to music while they _______ (do) their homework.
4. We were advised that we _______ through the forests with a map and umbrellas. (walk).
5. We must do as much as we can _______ ( protect ) the environment.
6. — Where were you last night?
— I was in the library. I _______ some information on the Internet. (search)
7. More and more robots controlled by computers _______ (use) to do difficult work in many
dangerous places in the future.
8. I like old things. This is the second time I _______ (see) the exhibition at the history museum.
9. All the people _______ (make) to leave their finger printers that night.
10. — Mr. White used to work in Beijing before he came to Wuxi.
— Yes. He _______ (teach) English there for nearly ten years.
