How old are you ?
Tang:Hi Nancy,how do you do ?
Nancy:Hello Tang, nothing much, we have over five years no see.
Tang:
Nancy:Yes, How old are you ?
Tang:I am 45 .and you ?
Nancy:Well, i was born in 1988, this year is 2013, i am 25 years old.
Tang:You are so young.
Nancy:How about your son David ? how old is he ?
Tang:David is doing great, he studing in Chinese University of Hong Kong.his was born in 1990, his age is 23 this year.
Nancy:WOW, he is younger than me.My elder brother is study at Unuversity of Hong Kong,he is in the same age and David.