13. Fill in the verb was or were. 1. I ... a student. 
2. My father ... not a shop-assistant, he ... a scientist. 
3. ... your aunt a nurse? - Yes, she ... . 
4. ... they at home? - No, they ... not. They ... at school.
5. ... you an engineer? - Yes, I 
6. ... your friend a photographer? No, she ... not a photographer, she ... a student. 
7. ... your brothers at school? - Yes, they ... . 
8. ... this her watch? - Yes, it ... . 
9. Max ... an office-worker. 
10. We ... late, sorry!