Answer:
Were
Explanation:
Since there are two people we are talking about, they were closing up practise. "Dr. Girourd and Dr Kutner was closing their practise" doesn't ring quite as well as if you were to say they *were* doing something.
Answer:
I think she’s really pretty. Why do you ask this?
Formal principle because formal means "used to be" so the ex principal would be the FORMER principal. he's not principal.