Past Tense Verb to be: Was and Were

Fill in the blanks with "was" or "were".
1. I ill yesterday.2. There a bird in the tree.
3. We good students.4. My mother angry with me.
5. We at school today.6. It raining yesterday.
7. She at home yesterday.8. It five o'clock when we got home.
9. My father strong10. These flowers fresh.
11. Emma and I at school yesterday.12. They my books.
13. Our pets playing in the garden14. His feet dirty.
15. The oxen fat.16. It in the garden.
17. Her teeth clean.18. You watching TV.
19. There three boys in the room.20. There a book on the desk.