Were you at the zoo?
A. Yes, it was.
Is your mother in London?
B. No, I wasn't.
Are you at home, Grandpa?
C. Fine, thanks.
Was it hot in Hainan?
D. No, I'm not.
How are you, Ben?
E. Yes, she is.
at home
at the zoo
at the park
at school
Chinese lesson
—Very _________, thank you.