四、我会阅读短文并选出正确的答案。
Her name is Mary. She comes from America. She is in China with her parents. She can speak a little Chinese. She studies in No. 80 Middle School in Tianjin. She is in the same school as her parents. She is a good student. She goes to school five days a week. She likes getting up early. She doesn't like to be late. She often goes to school early. But today she gets up late. So she gets to the classroom at 8:50. But there aren't any students in it. She is not late. It's Sunday today. The students are all at home.
() 1. Mary is from .
A. America B. China C. No. 80 Middle School
() 2. Mary's parents work in .
A. Beijing B. America C. Tianjin
() 3. Mary doesn't like to .
A. go to school B. be late C. get up early
() 4. Nobody is in the classroom because .
A. it's Sunday
B. the students are playing outside
C. it's 8:50 now

1. A
2. C
3. B
4. A

我们可以对照短文内容逐一找到答案依据：
1. 短文第二句明确提到"She comes from America."，可知Mary来自美国，对应选项A。
2. 短文中说明Mary在天津的第80中学上学，并且她和父母在同一所学校，由此可知她的父母在天津工作，对应选项C。
3. 短文中直接出现"She doesn't like to be late."的表述，对应选项B。
4. 短文结尾说明今天是周日，所有学生都在家，所以教室里没有任何人，对应选项A。