1. I never take part in any competition.
2. Sometimes I take part in the competition.
3. If you don't believe in your luck, you can miss a very good chance.
4. I'm afraid he has already lost his chance.
5. Every leaf has a lucky month in the next year.
6. What gave a new beginning to the history of long distance travelling.
7. Does she mind his travelling by air?
8. Is she going to give up playing tennis?
9. I hope to win the Round-the-World race.
10. I think computers are harmful because children become nervous, angry and tired