Answer:
be/ have:
1. I ...... a student. have
2. He ..... not at home. be
3. The brother ..... blue eyes. have
4. Petra ....... small and funny. be
5. My mom ....... 40 years old. be
6. The family ...... a house in Berlin. have
7. You ....... a black dog. have
8. You ...... not at work. be
9. You ...... many friends. have
