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.