Решение:
Нужно вставить правильные притяжательные местоимения.
- It's Ivan's cat. It's his.
- It's Sarah's watch. It's hers.
- It's your car. It's yours.
- It's the boys' ball. It's theirs.
- It's your game. It's yours.
- It's my bike. It's mine.
Ответ: 1. his; 2. hers; 3. yours; 4. theirs; 5. yours; 6. mine.