求帮写一篇简单的英文作文~~~~~~~~~~~~100~120词左右

Dear manager:
Not long ago,I bought a Sony radio from your store for 100 dollars.But after 10 days'use,I got something wrong with it.
I feel so sorry to bother you,but I think that the store should take the responsibility to deal the problem with me.Anyway,out final exam is coming ,and I badly need it to practice my English.
I hope you could give me an answer soon.I want to be told that wether you could exchange a new radio for me,or you can give back me the money.I am waiting for your reply.
Li Long
8.23 2010

Casual working: Not long ago, you bought from a store a radio, in 10 days, the radio will go wrong, write to Which store manager, the letter includes the following:
1, brand and price of goods
2, cause any inconvenience to you
3, hope the shop to do

Dear manager Do not long ago ,I this bought a radio from you.How say?It really it is very beautiful to get.I like it very much.I just like the consideration of pet it.Certainly, not only this is only that I spent 20 Ying pound. But the ,did not expect radio to appear in 10 days Trouble.This made our family calm I find a lot of,sagain not Went to the original atmosphere. I think many people are just like me.My delegate is those persons mind you are many should check to commodity Check the safe quality lest let more people buy the,and accomplish Real one with it is notebook to actually believe. XX 2010.8.24你要汉语意思吗