X=I'm sorry for returning the book late y= X=ouch!my head!y= X=I'm sorry for breaking your ruler y=

Answer:
________
X=I'm sorry for returning the book late
y= it's ok, but you have to return the other book on time if you want to borrow some books agai.

X=ouch!my head!
y= what wrong with your head?

X=I'm sorry for breaking your ruler
y= no problem, i am not angry to you


*Thanks*.