Ответ:
2)No, she isn't./She is my friend
3)No, they aren't./ They are mine
4)No, it isn't/It is a doll
5)No,he isn't/He is a dad
6)No, they aren't/They are her socks
7)No, we aren't/ We are best friends
8)No, it isn't/ It is orange
9)No, I am not/ I am from Russia
10)No, it isn't/ It is yours