Помогите пожалуйста с номером 2. Кто ответит тому огромное спасибо!!!!!!☺☺☺☺☺

1.She gave me her phone number and I gave her mine. 2. They gave you their car and you gave yours. 3. He gave them his documents and they gave theirs. 4. We gave her our address and she gave hers. 5. She showed me her greenhouse and I showed mine. 6. He showed her new pigeon and we showed ours. 7. They told her their fairy tale and she told hers. 8. She told me about her new pet and I told her about mine. 9. I brought them my puppy and they brought theirs. 10. He ruined our sandcastle and we destroyed his.