Пожалуйста дайте ответы на номер 10

2)your 3)her 4)our 5)your 6)their 7)our 8)my Мне так кажется

This is my dog. Is this pen yours? That's my sister. Her name is Olya. That horse is ours. Is that your car? Are these their sandwiches? That's our teacher, Mr Kapitonov. That book isn't Bill's, it's mine.