你会介绍自己的家人吗?根据图片用方框中所给出的单词完成介绍吧。
brother, sister, young, old, student, doctor
1.This is my
_____________.
He is a
__________.
2.This is my
____________. She is five years old.
She is
____________.
3.This is my mother. She is a
______________.
4.This is my grandfather(爷爷).
He is very
_____________.