Fill is, am, are in the blank.
2. They Mary's books.
3. It Jill's cup.
4. We at school.
5. Children playing in a field.
6. Julia a beautiful woman.
7. Flowers in a vase.
9. Water dirty.
10. Ice cold.
11. Coffee hot.
12. The oxen in my field fat.
13. Police over there.
14. Milk important for everyone.
16. Some men not polite.
17. Paper on the desk.
18. Kate and I happy today.
19. I twenty years old.
20. Thailand in Asia.