How old is your sister?
She's fifteen years old.
What's her name?
Her name is Linda.
How are you?
I'm fine. Thank you.
How are you?
I'm happy.
Are they your classmates?
Yes, they are.
Is he your friend?
Yes, he is.
How are you?
I'm tired.
What's his name?
His name's Peter.
How old is she?
She's eight years old.
What's her name?
Her name's Mary.
How old is he?
He's two years old.
What's his name?
His name is Phong.
How old is your brother?
He's nineteen years old.
Is she your teacher?
Yes, she is.