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.

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.