A:Hello,Bob.
B:Hi,Alice.
A;Is this your sister?
B：No,she isn’t.
A:Here is my family photo.B:It's looks nice.
A:Thanks.
B：Bye.
A:Bye.Ҫ��һЩA:Hello,Bob.B:Hi,Alice.A;Is this your sister?B�� No, she isn��t.A:Here is my family photo.B:It's looks nice.A:Thanks.B��Is this your mother?A:Yes,it is.B:Who's your father?A:That is my father.Those are my brothers.B:oh,thy looks lovely.A:This is my cousin.Do your like my cousin��B;Yes,i doA��Bye.B:Bye.�ǵ��� ��Ԫ�ġ�������A��Hi,Anna,Are these your books?B:Yes,it is.A:Are those Bob's pens?B:Yes,thy are.A:And,is this Gina's ruler?B:sorry,i don't know.A;is this your eraser?B:No,it isn't. The blue eraser is mine.A��Thank you for your help.B:You're welcomeл��