Dear *** We haven't met each other for a long time.Is everything going well with you?I have improved my way of study these days and I got a great mark in the latest exam.I feel very happy and I will make persistent efforts. What about you?Have you made some achievements?I heard that your English is very well.Could you tell me some experience in English study?I will appreciate it very much if you tell me. I will wait for your letter. Best wishes! yours ***