补全对话
A: Hi，David!1          ? ?
B: Hi，Sarah! I am going to see Anna. She is in hospital.?
A: 2        ?
B: She had a traffic accident on her way to school and was hurt.?
A: 3         . Is there anything serious??
B: Yes, there is something wrong with her head.?
A: Oh, my God! 4         . ?
B: I hope so, too.?
A: 5            ? ?
B: Sure. Let’s go!?