1. Do you know the man _____ (speak) at the meeting? (speaking)

7. Yesterday I caught him _____ (take) my dictionary when I went into the

classroom. (Taking)

III．

6. It’s a bad habit to leave the work ______ (undo). (undone)

5. He won’t have us _____( criticize ) him.(criticize)

4. Unfortunately, he got his wallet _____ (steal) on the bus. (stolen)

3. She was surprised to find the house _____( break ) into when she went back home.(broken)

2. I saw them _____ (play) the computer this afternoon. (playing)

1. I used to see these boys ____ (play) on the playground. (Play)

14. They built the banks to prevent the area from ______( flood).(being flooded)

II．

13. Can you imagine ______( leave ) standing outside for a whole night.(leaving)