急求高手帮忙写一篇120字左右的高中英语作文

Dear Jim.
How is everything going with you these days?I am writing to tell you something important and would like to ask for your good advice.Our school is having an activity about Minnesota University's enrollment,and we're going to have the selective test.Those who pass it can have the permission to take the Writing Test,the Oral Test and the Interview organized by this university in October.As the university which lies in North America is well known in the world,I am interested in it and am preparing for the tests.Hower,my English is not good.I hope you can give me some good advice on how to learn it well.Would you please give me hand?
Looking forward to you reply.

Best wishes to you
Yours
Li Hua