根据文章意思和字母开头.完成填空,

根据文章意思和字母开头.完成填空,
Sam and Pat are drothers.they are in the s______class.Sam works h_____and studies b_______than Pat.One day the teacher asked the class to write a c_______.The title of it was my Mother.Sam w______a composition and was r______ to hand it in to the teacher when pat said ,W________a minute,Sam,let me have a look.Pat read it and c_______ it.The next day,the teacher asked Pat.Why is your composition the same a____ Sam ,Pat Because we have the same m_________.relied Pat.