一封信到学校询问你想知道的事

Dear sir,

My name is Stella Gong. I am a third grader student from Shi Men Senior High school. I will coming to your school for acquainting your environment. I will arrive there on 20th. I'd like to know about the details of the test. I would like to thank you for helping me a lot.

I am looking forward to your reply.

Yours,

Sincerely,

Stella