4 Find and correct the mistakes in the sentences. Remember to check for commas. Two sentences are correct.
1 That's the café which we sometimes have lunch. 2 The prize that we won wasn't very exciting. 3 Sophie who is French can speak French and English 4 We don't know all the people that live in our street. 5 Their car, that is over ten years old, still works well. 6 llent the book to Dan, which loves adventure stories.