英语翻译

英语翻译
Dear Diana,
Last week,my friend David came round with a new computer game and asked to play it on my dad’s computer.I was worried,because I should ask my dad before I use his computer.He uses it for his work,and I can only use it for my homework.The reason is that he thinks it will go wrong if I play games on it.Well,while my dad was out,we decided to try out David's game.We copied it to the computer,and after we finished playing,we took it off the computer.However,when I started the computer again to check if everything was OK,some of my dad's documents were missing.Then,when my dad used the computer last night,he was really angry.He could no longer find the documents anywhere!They were very important ones.I did not tell him about the computer game because I did not want him to be angry with me.Now I feel terrible.I am not sure whether a computer engineer can get the documents back.Should I tell him about the computer game?Should I pay to repair it?
Yours,
Steve