13.____ can help to indicate different expressions.

　　　 A. Homophones　　　　　　 B. Emotions　　　　　　　　　 C. Acronyms　　　　　　　 D. Chatline

12. Mr Li taught me ____ in the river when I was a child.

　　　 A. to swim　　　　　　　　　　 B. swam　　　　　　　　　　　　 C. swimming　　　　　　　 D. swims

11. Look at the ___ window. Who ___ it, do you know?

　　　 A. break；broke　　　　　　 B. broke；broke　　　　　　 C. broken; broke　　　　 D. broken; broken

10. The telephone ___ (invent) before the car.

9. I’ve been ____ (try) to cheer him up for 20 minutes.

8. He told me that he ___ in that school for 10 years. (teach)

7. Recently I listened to a song ____ Heart Strings. (call)

6. You should be much ____. It’s good for your health. (health)

5. What ____ would you like to learn, English or French?

B. 用括号中所给词的适当形式填空

4. I don’t like making speeches. I feel ___ talking in front of many people.