Complete the sentences by making a relative clause from the provided options.

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**.