根据短文理解选择答案。
My name is Mary. I'm eleven. I'm from China. My mum and dad work in a factory. They go to work from Monday to Friday. I have a sister. Her mane is Amy. We look like each other very much and we like to help each other. She and I are middle school students.
Amy and I are in the same school. I' m a good student in my class. There are forty-two students in my class, twenty boys and twenty-two girls. We have our lessons from eight o'clock in the morning to four o'clock in the afternoon. My English teacher Miss Green, is from England. She is a good teacher. We have five English classes in a week. Now we can say a hundred words and play games in English, We like English and we like our English teacher.
