Дополните предложения.

4. Does the boat belong to Kirill and Roman? Yes, it's Kirill's and Roman's boat. 5. Does the house belong to your grandparents? Yes, it's my grandparents' house. 6. Does the garage belong to his uncle? Yes, it's his uncle's garage. 7. Does the car belong to her parents? Yes, it's her parents' car. 8. Does the tent belong to Larisa and Alina? Yes, it's Larisa's and Alina's tent.