letter+of+advice+to+the+underclassman

Dear Underclassman :
===I'm glad to send your letter.How are you? How is you life in Winchendon School right now ? First I want to say welcome to ESL 2 class. In this class, You must have a lot of fun and you will learning much knowledge. Second, You will meeting many great teacher in this class, they give you a lot of help. Third, In this class,you can make best friends. Let me talking about something about my feeling in ESL 2 class=== ===I hope you can have wonderful summer vacation. One of most important thing you should to do in this summer vacation is prepare coming to ESL 2. What should you do? I will give some suggestion for you, these thing I did last year and help me a lots. I hope it is can help you too. First, You should practice you writing skill. You may ask me " how can I improve my writting by ourself" I will answer you can do it.You can use English to writting diary everyday.The diary can describe everything you did each day. When you finish you writting, you can use some grammer books to check.After few weeks, you will get much knowledge a lot. Second, during the summer, You will have much free time, you can watch some English TV show or movies. it is interesting and it can improve you listening.===