单词拼写。

1. We always travel by public t____.

2. He gave the taxi f____ to the driver before he got off.

3. When you go on a journey, you'd better keep a travel j____.

4. Father is thankful to me for p____ him to give up smoking.

5. We are flying at an a____ of 20,000 feet.

6. Some people have a wrong a____ towards the disabled.

7. Does environment d____ one's character?

8. Let's remember the b____ actions of the heroes.

9. He is so s____ that no one can persuade him to do anything.

10. Where does the Mekong River have its s____?