1. These children's schoolbags are very dirty.
2. The roofs of the houses are new.
3. The girls' dresses are long and red.
4. These women's shoes are very expensive.
5. These boys' parents leave fot Italy every summer.
6. Their brothers' bikes are cheap.
7. The windows of my rooms are very clean now.
8. The blades of the knives are very sharp.
9. These men's eyes are unusual.
10. Their grandmothers' glasses are not good anymore.