1. Everyone has to learn from his mistakes. 2. You don't have to be afraid of what you are, 3. If nobody bends, something is broken. 4, She wrote some gossip about somebody famous. 5. Sometimes giving to others can also bring happiness. 6, one's never quite sure how the weather is going to change. 7. Nobody knows very much about his family. B. Not everyone can go to see the parades, so many watch them on television. 9, Some are not Thai citizens at all. 10 Have you seen another letter on my desk?