Question

.Поставьте глагол to be в Present Simple. 1... your aunt a doctor? -  
Yes, she ... . . 2... they at home? - - No, they ... not at home, they
... at work. 3. My brother ... a worker. He ... at work

Answer 1

1. Is your aunt a doctor? - Yes, she is.
2. Are they at home? - - No, they are not at home, they are at work.
3. My brother is a worker. He is at work.