Exercise 12. Rewrite the sentences in plural:
1. The children are here.
2. The buffalos are in the fields.
3. The women are at the windows.
4. These umbrellas are red.
5. Those are big houses.
6. Those police officers are at the doors.
7. Potatoes are vegetables.
8. The watches are in plastic boxes.
9. Are you pupils?
10. Are they actors?