Hello, boys and girls. I have a photo. Let's have a look at it. This is me. My name is Jack. I'm in No.1 Middle School. This is my mother. She is a Chinese teacher. And this is my father. He is tall and strong. He is an English teacher. My mother and my father are not in my school. Look at the girl. She is my sister, Mary. She is clever. Mary has a dog. It's Spotty. Spotty is my good friend too. All of us are very happy. Jack's mother is   _  .
a Chinese teacher an English teacher at No. 11 Middle School at home