1. Helen works for a company that makes furniture.
2. The book is about a girl who runs away from home.
3. What happened to the pictures that were hanging on the wall?
4. A mystery is something that cannot be explained.
5. The police have arrested the man who stole my wallet.
6. A dictionary is a book that gives you the meaning of words.
7. Alexander Bell was the man who invented the telephone.
8. It seems that Earth is the only planet that can support life.