阅读理解。 This is a picture of a classroom (教室). The classroom is big (大的) and clean. You can see (看见) a teacher's (教师的) desk, five desks and six chairs. You can see a girl and a boy, too. Three books are on the teacher's desk. A pencil case is on the desk. Two pens and two rulers are in the pencil case. A school bag is under a chair. A ball is on the floor. The girl is Linda; she is 11. The boy is Mike; he is 12. They are in Class Two, Grade One. They are friends. The teacher is Miss Green. She is not here. 1. It's a picture of  ________. A. boys and girls B. desks and chairs C. a classroom 2. The two pens are ________. A. in the pencil case B. on the teacher's desk C. on the floor 3. ________ is eight+three. A. Linda B. Mike C. Miss Green 4. ________ is not in the picture. A. Mike B. Miss Green C. Linda 5. Mike and Linda are ________. A. teacher and student (学生) B. brother and sister C. good friends