4 Circle the correct alternative(s) in each sentence.
1 Your Yours house is bigger than my mine.
2 Whose / Who is this? It's John.
3 This pen isn't hers/ her. Is it your/ yours?
4 Ours / Our children are older than their/ theirs.
5 Who/ Whose is this? It's John's.
6 Who's / Whose having a party? I am.
7 Who's / Whose are these? They're mine.
8 Her / Hers children are students at my/ mine school.​