Dear friend:I know the final term exexamination is coming soon and I heared you were very nervous.I really worried about you so I would like to give you some suggestions toward the exam.First do not be too nervous because worries and complains could not help you.Second you should work hard before.Third pay more attention to your methodsForth when you meet a question you could ask your classmates or teacher for help.And at last wish you good luck your friend .....信的格式要对啊。