Is he eleven years old?
Yes, he is.
How old are Phong and Quan?
They are ten years old.
Are you eight years old?
Yes, I am.
Is that Mary?
No, it isn't.
Who's that?
It's Miss Hien.
How old are you?
I'm nine years old.
How old is she?
She is six years old.
Are you ten years old?
No, I'm not.
How old is he?
He is seven years old.
How old are you?
I'm eight years old.