Ответ: 1. Is that your/yours book? 2. That’s not my/mine ball. My/mine is red. 3. They know our/ours friends, but we don’t know theirs/them. 4. Bob has got a dog but I don’t know it/its name. 5. These books are my/mine but this newspaper is your/yours. 6. My/mine hands are cold. 7. I gave her my/mine address and she gave me hers.