A: Look! This is my family.

A: Who's that (boy / girl)?

B: She's my sister.

A: Is the (man / woman) your mother?

B: Yes, she is.

A: (What's / Who's) that boy?

B: Guess.

A: Is he (you / your) brother?

B: No, he (is / isn't). He's my friend.

Tom is from Canada. He's a new student. He's tall. He has big eyes. He has a fat cat. Lily is from the USA. She's a student, too. She's short. She has a small nose. She has a duck. It has a big mouth. I'm from China. I'm thin. I have a cute dog. It has long ears.

— He's ________ father.