Jack: Tom, be careful! You almost felt down. 1．
Tom: Yes, I’m OK. Don’t worry.
Jack: You’d better not look at your phone while walking.
Tom: OK, I won’t.
Jack: 2．
Tom: You saw my pictures on my WeChat, didn’t you?
Jack: Yes. 3．
Tom: Just a little traffic accident.
Jack: 4．
Tom: There was nothing serious, because we all wore the seat belts.
Jack: OK. We should know how to protect ourselves.
Tom: By the way, have you got vaccinated（接种疫苗）against COVID-19?
Jack: 5． Many people have got vaccinated in our city.

A．Yes, I have.

B．Are you all right?

C．Did you see a dentist?

D．I’m sorry to hear that.

E．What happened?

F．Will you go with your friends?

G．It seemed that you weren’t happy on the WeChat yesterday.