阅读回答问题：Mary is a girl.She is a middle school student.She is thirteen.She is
Class Three,Grade Two.
There is a big picture in Mary's bedroom.It's the picture of the family.Mary's mother is a Chinese teacher.There is a nice pen in the pocket of her coat.Mary's father is a worker.There is a big flower on his black coat.He works from Tuesday to Sunday.Mary's brother is near her mother.He is a middle school student,too.He is fourteen.He is in Grade Three.
Mary and her brother like books.They like school.They both study very hard.They are good students.Their parents love them and are also proud of them.
1.Which class and grade si Mary in?
2.Who is in the big picture?
3.What does Marry's mother do?
4.When does Mary's father work in a week?
5.How do Mary and her brother study?