a:hi,how are you?
b:i'm fine,thank you.
a:have you finished your homework?
b:yes!c help me do it!
a:who is c?
b:c is one of my friends,he is so kind a guy!you may be good friends,i'll introduce him to you someday.
a:really?i can't help to waiting the chance!thank you!he must be a handsome boy!
b:=_=!