书面表达急急急急急急

你和tom是好朋友，tom一年前回到了美国。先在你已经是七年级的学生了，就请你快些一封信，告诉tom你的近况吧！（字数50字左右）

Dear Tom,

How is it going?I'm writing to tell you something about me.

Now I am a middle school student.I am in Grade 7 and I found the subject now is more difficult than in primary school.But they are more interesting,too!And what about you?

I'm expecting for your letter.

yours,XXXXX