Writing prompt: Dear Mr. Brown

Student essay:
I am glad to hear that you get on well with your maths teacher, Mr Green. Now I'd like to tell you about my favourite teacher.
My favourite is Mrs Guo who teaches me physics. She looks a little fat and often wears a comfortable black dress. It is said that fat people usually kind and humorous.That's true. Her lessons is always academic, but funny. She helps us solves problems enthusiastic. And that's way I like her so much.
Once,after a terrible test. I felt said and didn't want to continue studying. At this moment, Mrs Guo came here and taught me how to work out those questions simply with humorous language. She not only didn't shout to me critically, but also encouraged me friendly. I felt very warm and I liked her more than before.
I'm looking forward to hearing from you soon.
Yours Zky

Corrected essay:
I am glad to hear that you get on well with your maths teacher, Mr Green. Now I'd like to tell you about my favourite teacher.
My favourite is Mrs Guo who teaches me physics. She looks a little fat and often wears a comfortable black dress. It is said that fat people are usually kind and humorous. That's true. Her lessons are always academic, but funny. She helps us solve problems enthusiastically. And that's why I like her so much.
Once, after a terrible test, I felt sad and didn't want to continue studying. At this moment, Mrs Guo came here and taught me how to work out those questions simply with humorous language. She not only didn't shout to me critically, but also encouraged me friendly. I felt very warm and I liked her more than before.
I'm looking forward to hearing from you soon.
Yours, Zky