英语考砸了，来个300字的保证书

letter of guarantee
i'm so sorry about this time that i failed in the english exam.i've been grievous since i failed.i cried every night in my bed.even i dreamt about it in my nightmare.
my dear teacher and parents.i'm sorry let you down,and i made myself feel disappointed as well.
so i'm going to cheer up.famous composer Hemingway said,people can be destroy but bitten.i'm going to be a winner but not a loser.
please trust me,i'ii try my best working hard.i'll never be lazy for studying.through this exam,i got a lot of value things,i got experences, knowledges and so on.
this time i'm serious,i'll be the champion,i'll be the number one.please see what i'll do!

终于写完了。。好像是我英语考砸了一样。。
哥们，老实说，你给的悬赏分有点少。。。