口语运用（每小题1分，共5分）
请从方框中选出适当的句子补全对话，其中有两项多余。
A: Hello, Jenny ?
B: Hi, Mona! What’s this?
A:  
B: Are these your grandparents?
A: Yes,       This is my father. His name is Mark. This is my mother.     
B:    
A: Yes, he is. His name is Bill. And these are my cousins.
B:     
A: No, I have no sisters. That is my aunt. Her name is Linda.