1.
2) Mine
3) Ours
4) Hers
5) Theirs
6) Yours
7) Mine
8) His
2. (Могу ошибаться)
2) Yours
3) My; mine
4) Yours; mine
5) Her
6) My; hers
7) Their
8) Ours
3.
3) Friend of hers
4) Friends of ours
5) Friend of mine
6) Friend of his
7) Friends of yours?
4.
2) –Whose camera (не видно точно что там нарисовано) is this?
–It's his. (Или hers, если это девушка)
3) –Whose gloves are these?
–They're mine.
4) –Whose hat is this?
–It's his.
5) Не видно
6) –Whose books are these?
–They're ours.