Fill in the present form of "to be" 1. it a rainy day. 2. i at home by myself. 3. my parents at work. 4. they at home. 5. my brother and sister at home either. 6. where they? 7. my sister busy with her friends. 8. my on a class trip. 9. i am studying. my hard. i heed help. 10. what advice?
