Whose? / Who's?

............shirt is this? - It's Mandy's shirt.
1. Whose
2. Who's
.......... are those socks? - They are Mary's socks.
1. Whose
2. Who's
.......... that boy over there? - It's Tom's brother.
1. Whose
2. Who's
.............. hair is blonde? - Helen's.
1. Whose
2. Who's
............. the man near the window? - My uncle.
1. Whose
2. Who's
............. the girl in this picture? - My sister.
1. Whose
2. Who's
............. books are on the floor? - John's books are on the floor.
1. Whose
2. Who's
.......... camera is that? - It's mine.
1. Whose
2. Who's
......... that woman over there? - It's Mandy's mother.
1. Whose
2. Who's
............. gloves are these? They are mine.
1. Whose
2. Who's