题目内容：

根据句意，用括号所给的词的正确形式补充完整。

1. Eventually, they drew a _____ (conclude) that they should never drink and drive.

2. Because of too much _____ (expose) to the hot sun, he had his skin burnt seriously.

3. The government has released an _____ (announce) that old buildings should be tear down.

4. Thomas Edison, a well-known inventor, made great _____ (contribute) to the society.

5. I paid a visit to many _____ (attract) tourist sights in Zhanjiang this summer holiday.

6. I am much _____ (delight) to be present at the lecture and to give you a speech.

7. Under the _____ (guide) of Professor Li, I made great progress in English.

8. Copernicus suggested that the sun was _____ (spin) as it went round the sun.

9. Air _____ (pollute) has been one of the most serious danger to people’s health.

10. They were the first _____ (settle) to come here and had settled down ever since.