英语作文：假如你说是李明,最近你的笔友T O M 情绪低落请你给他写一封邮件

Dear Tom,
I am so worried to hear that you were in a bad mood。 Could you please tell the reason?
We are friends and you may tell me your worry or trouble。 i think i can help you out of trouble。 Nothing is impossible in the world 。 So we shouldn't be in low spirit。 Cheer up! It is
not the end of the world! If possible, you can call me or write to me。 I am looking forward to receiving your letter or call !
Li MIng