1. I never take part in any competitions.2. Sometimes I win 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 missed his chance.5. Every leaf means a lucky month in the next year.6. What gave a new beginning to the history of long distance communication .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 tour .10. I think computers are waste of time because children become nervous, angry and tired.