IX. Combine these pairs of sentences. Use a relative pronoun. Use commas for non-defining relative clause. 7. My stereo doesn't work today. It worked yesterday. 8. The man is a computer expert. You were talking to him. ____________________________________________________________________ 9. Some documents have been found. They were stolen from a car. ____________________________________________________________________ 10. Dr. Michelle Weil wrote a book about 'techno stress'. She is a psychologist. ____________________________________________________________________ 11. He works for a computer magazine. The magazine is very popular in Mexico. ____________________________________________________________________