Dear Jake,
Thank you for your help.If without you ,I could not make a progress on my English study and do a good job.As you know ,before your coming,I had done a poor job in my English class,and also lead to few confidence ,however,it's you who do me a huge favor to enhance my own sense of confidence.and I hope oneday you would come to my country and that would be my honor.
Yours
Tom
楼上的写得很好啊