Writing prompt: My Teacher

Student essay:
Mrs Sun is my English teacher.She is thirty years old.She has short black hair,big eyes,and she wears glasses.
Mrs Sun is kind and friendly.but sometimes she will be strict.She likes reading and listening to music.
Mrs Sun is a good teacher.when we got bad marks,she will tell us not to give up hoping,and help us to get good marks.sometimes she will be angry with us,but we know,she loves us.That's why she is my favourite teacher.

Corrected essay:
Mrs. Sun is my English teacher. She is thirty years old. She has short black hair and big eyes, and she wears glasses.
Mrs. Sun is kind and friendly, but sometimes she will be strict. She likes reading and listening to music.
Mrs. Sun is a good teacher. When we get bad marks, she tells us not to give up hope, and helps us to get good marks. Sometimes she will be angry with us, but we know she loves us. That's why she is my favourite teacher.