家庭成员：sister, mother, father, parent, brother, grandparent, son, daughter, cousin, uncle, aunt.
其他：pen friend, photo, very much, love, picture, dog.
优秀范文：
Dear Anna,
Here is a photo of my family. This woman is my mother. That man is my father. The boy is my brother, Bob. The girl is me. I love my family very much. I would like to know your family.
Please write to me soon.
Your friend,
Sally
