good morning teacher.;oh!Jack?it's almost nine o'clock !the first class is going to over!why are you late again?;i'm sorry teacher.it because traffic jam.;traffic jam?are You joking?i'm not born yesterday!it seems that i should meet your parents sometime! good morning teacher.;oh!Jack?it's almost nine o'clock !the first class is going to over!why are you late again?;i'm sorry teacher.it because traffic jam.;traffic jam?are You joking?i'm not born yesterday!it seems that i should meet your parents sometime!