A: Do I see. What about your younger brothers?
Answer: a) your.
B: My younger brothers are very nice. I like to play with them.
Answers: a) are. / a) to play.
A: What about your sisters?
Answer: c) about.
B: I have five sisters. All five sisters are older than me.
Answer: b) than.
A: Do you like them?
Answer: b) do.
B: My eldest sister is smart and very friendly but the others are mean and stupid.
Answer: a) are. / b) and.
A: Be happy you have some brothers and sisters. I am often lonely because I don't have any.
Answers: a) am. / a) any.