1. The children's schoolbags are very dirty.
2. The roofs of the houses are new.
3. The girls' dresses are long and red.
4. The women's shoes are very expensive.
5. These boys' parents leave for Italy every summer.
6. Their brothers' bikes are cheap.
7. The windows of our 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.