找出所给句子或对话的正确答语。
Amy: Hi, Stephen. I hear you come from America.
Stephen: 1.________ It's very big.  
Amy: 2.________
Stephen: It has 12 rooms.
Amy: Oh, it's bigger than my flat.
Stephen: 3.________
Amy: It has a dinning room, a bathroom, two bedrooms and a living room.
Stephen: Who do you live with?
Amy: 4.________ Which is your favourite place?
Stephen: 5.________
Amy: I hope I can visit your flat one day.