20.Yes ,she is .

No ,she isn't .She’s my aunt.

19.This is your mother ，I think.

18.Is this your father ?

16.Sure . Here you are .

17，Look ,this is my family photo .

14.What a nice telephone !

I have a look ?

13.Yes ,it is。

12．Is that a telephone ?

11.Is this a telephone ?

10．Come in ,please .

9.May I come in ?