1. It is an apple.
2. It is my apple.
3. It is an old doll.
4. It is an alligator.
5. It is a little alligator.
6. He is an economist.
7. She is a teacher.
8. That's a good idea.
9. It is an English song.
10. It is a Russian song.
11. These are oranges.
12. This is an orange.