A：Hi, Lily!
B：Hi, Jane! Jane, are those?
A：Oh, they are my friends, Lisa and Sally.
B：And are these your friends, too?
A： . They are my sisters.
B：Is he ?
A：Yes, he is my brother.
B： ?
A：They are my grandparents.
B：Wow, you have a big .
A：Yes, you're right.
