A.How about your family ?
B.but my grandparents live with us.
C.Do you have a big family?
D.They usually have a boy or a girl.
E.but I don't
F.A boy and a girl. think it's small.  

A: Excuse  me, Miss Black. 1      
B. Not very big, 2  I have two brothers. The elder is married.
A:Do your brother and his wife have any children?
B : Yes. They had twins last month.
A : Boys or girls?
B: 3  
A : Oh , how lucky they are !
B:In China there are still quite a lot of large families.
A :I agree with you. There are too many people in China. Shops are full of people on Sundays.
B :Thanks to the  " one-child"  policy (政策) in China, more and more families have only one child.   4 And these families are becoming richer and richer.
B : 5     Is your family large?
A : No,I have only one sister, 6  
B :I see, but in America many children live far away from their parents when they are just 18or 19.
A : In China, too. More and  more  young people live  far away from their parents when they are married.

A: Excuse me, Miss Black. 1______.
B: Not very big, but I think it's not fairly small. I have two brothers. The elder one is married.
A: Do your brother and his wife have any children?
B: Yes. 2 ______.
A: Boy or girls?
B: A boy and a girl, so I have a niece and a nephew.
A: Can a sister and a brother be twins?
B: It's uncommon but possible. In China, there are still quite a lot of large families, aren't there?
A: 3 ______. Thanks to the "one-child" policy (政策), very few families now have more than
    one child. 4 ______.
B: 5 ______. Is your family large?
A: No, I have only one sister, but my grandparents are living with us.
B: In America, children often move away from home when they are just 18 or 19. It's sad. Many
    children live far away from their parents.
A: In China, too. More and more young people live far away from their parents when they are
    married.
A. How about your family?
B. My sister-in-law gave birth to twins last March.
C. Are your married?
D. So more and more families are becoming richer and richer.
E. Do you have a big family?
F. I agree with you.
G. I don't think so.