Вставьте глагол to be в нужной форме. he not a pupil you student sergey petrovich a mechanic mike a driver? my sisters not teachers ann a nurse his brother a veterinary their mothers agronomists they clerks? my cousin a postman

He is not a pupil
You are a student
Sergey Petrovich is a mechanic
Is Mike a driver?
My sisters are not teacher
Ann is a nurse
His brother is a veterinary
Their mothers are agronomists
Are they clerks?
My cousin is a postman