A:can i help you B:------1--------.-------2--------?i want t

A:can i help you B:______1________._______2________?i want to see professor smith ,who lives i
A在路上发现陌生人B再看门牌号,就主动提出帮助.B向A打听4号楼在什么地方,他要找的smith教授住在哪栋楼,A告诉B说.smith教授是他的隔壁邻居
A:can i help you
B:______1________.
_______2________?
i want to see professor smith ,who lives in that building.
A:oh,_______3________.
come with me ,i'll show the way.
B:________4________.
________5________.