Mai: Who’s this?
Ben: It’s my sister.
Mai: How old is she?
Ben: She’s six years old.
Mai: Who’s that?
Linh: That’s my brother.
Mai: How old is he?
Linh: He’s twenty years old.
1. Look and write.
Mai: Who’s this?
Ben: It’s my sister.
Mai: How old is she?
Ben: She’s six years old.
Mai: Who’s that?
Linh: That’s my brother.
Mai: How old is he?
Linh: He’s twenty years old.