补全对话。
Nancy:Hi,David.Welcome to my home.
David:Wow,
Nancy:Thank you.
David:Is this your family photo?
Nancy:Yes.This is my mother.
David:Wow,she looks young.
Nancy:She is a secretary.
David:Is your father a scientist?
Nancy:Yes,he works at a university.
David:By car?
Nancy:No,he goes to work by bike.
David:Great.He has a very healthy life.Look at your sister.
Nancy:Yes,her favourite toy was lost.David,come to my bedroom.Let's play computer
David:Great
A.What does she do?
B.Your home is big and beautiful.
C.She looks worried.
D.How does he go to work?
E.He likes riding a bike.