1 My room is big.
2 The dog's tail is long.
3 The women' dresses are red.
4 Are those pencil yours?
5 That is Mike and Helen's house.
6 Whose are these rackets? They're theirs.
7 This is her book.
8 Those are Rita's and Jim's bicycles.
9 Is that Kate's hat?
10 The houses' windows are green.