Помогите с англиским у меня вообще ступор

Model A:
1. This school is ours.
2. This notebook is mine
3. This desk is yours
4. This bicycle is his.
5. This bag is hers
6. = 3.
7. This bus is ours
8. This suggestion is hers.
Model B:
1. Your watch is better, than mine.
2. His pen is worse, than mine.
3. Our house is older, than theirs.
4. Nicks camera is dearer, than his.
5. Her friends story is more interesting, than hers.
6. Your teacher is younger, than ours.