Section A ,1b
Dave:This is my family.Those are my two brothers.And that's my sister.
Dave:This is my mother.Mom,this is Lin Hai.
Lin Hai:Nice to meet you!
Mom:Nice to meet you,Lin Hai!
Dave:And these are my grandparents.
Grandparents:Hi,Lin Hai!
Lin Hai:Hello!
Dave:And this is my sister,Mary,and this is my brother,Jim.
section B 2a 2b
Dave:This is my aunt,and this is my uncle.
Lin Hai:And is she your cousin
Dave:Yes,and those are her friends.