1. We have a nice flat. Our flat is in a new house.
2.This is my car. Mine is a 1992 model.
3. Jim, tell me, isn’t that your girl-friend over there?
4. I know that he has lost his text-book, perhaps you can lend him yours.
5. Ann is glad to see her friends again.
6. I am not happy about my new house, but theirs is just awful. I can’t understand why they’ve bought it.