contestada

Where do the apostrophes go?
1. This is Matthews homework.
2. The boys pants are black.
3. That birds feathers are yellow.
4. This is Sarahs jacket.
5. The dogs toy is noisy.
6. My friends book report is fantastic.
7. Are these grandmas quarters?
8. The horses stall is clean now.
9. Bobs uniform needs to be washed.
10. The babys rattle is pink.