阅读理解。 This is a picture. In the picture you can see a school. The school is Wulong Middle School. It's very beautiful. You can see a boy and a girl, too. They are at school now. The boy is Li Gang and the girl is Zhang Meili. They are good friends. Li Gang is 12. Zhang Meili is 12, too. They are in the same class. Ms. Wang is their teacher. She has a son and a daughter. 1. Ms. Wang is Zhang Meili and Li Gang's _____. [     ] A. friend B. sister C. teacher D. aunt 2. The boy and the girl are _____ now. [     ] A. at school B. at home C. behind the wall D. under a tree 3. Li Gang and Zhang Meili are _____. [     ] A. good students B. in different classes C. seven D. good friends 4. Ms. Wang has _____ children (孩子). [     ] A. one B. two C. three D. four 5. You can see the school _____. [     ] A. in a book B. in a map C. in a picture D. on the wall