This is our classroom. It is 1 the second 2 . There are twenty-five desks and fifty chairs 3 the classroom. There 4 four pictures on the wall. 5 the teachers' desk, there are some beautiful flowers. There 6 a big shelf in our classroom. On the shelf, there are 7 books. My seat(座位) is 8 the teachers' desk. Mr. Zhang is standing 9 the blackboard. He is teaching 10 English.