根据内容，补全短文。

Dear Anna,

    Thank you for the photo of your family. This is my family photo. My grandfather is on the right. My parents are on the left. My father's name is Mike Smith. He is an English teacher. My mother is Linda Smith. She is not a teacher. That boy is my brother. His name is Mark. He is 12. He is in Class 2 Grade 5. That girl is me. I'm 14. I'm in Class 1 Grade 7.

Susan

    In this letter, Susan shows(展示) her to Anna. There are people in this photo. Her grandpa is on the right and her parents are . Mike Smith is an English teacher. is her mother. Mark is Susan's and he's 12. Susan is 14 and she's in Class 1 Grade 7.