Ex.13 .поставьте глагол to be в present simple. 1. i a pupil. 2. my father not a teacher, he a scientist. 3. your aunt a doctor? - yes, she . 4. they at home? - - no, they not at home, they at work. 5. my brother a worker. he at work

1. I am  a pupil. 2. My
father is not a teacher, he  is a scientist. 3. Is your aunt a doctor? - Yes, she is    4 Are  they at home? - - No, 
they are not at home, they are at work. 5. My brother is a worker. He is at
work