A. Hello, I'm Peter.
B. This is my sister, Jenny.
C. This is Dino.
D. This is my brother, Dongdong.
A. father B. mother C. brother D. sister
A. 哥哥;弟弟 B. 这个 C. 爸爸 D. 姐姐;妹妹 E. 家庭