补全下列英语对话,根据上下文的提示,写出合适的句子.
A:Good afternoon.Ben.
B:_________________.Tony.
A:_________________?
B:I'm going to meet my mother at school.
A:_________________?
B:Yes,she is an English teacher.
A:_________________?
B:We are going to see my grandpa.
A:_________________?
B:He hurt his foot.He is in the hospital now.
A:I am so sorry to hear that.
B:I have to go now.Goodbye!
A:Goodbye!
(各位大哥哥大姐姐...）