Complete the passage with a suitable preposition.

We have English lessons (1) _____________ Room 12. There are 24 tables for students and one desk for the teacher. (2) _____________ the walls, there are a lots of posters of England. There’s a cupboard at the front of the room and (3) _________ the cupboard, there is a TV and DVD player. Sometimes we watch films. There are some bookshelves (4) _____________ the classroom. (5) ____________ the shelves, there are a lot of English books. Our books are (6) ____________ the teacher’s desk.
He wants to look at our homework. Our school bags are (7) ___________ the floor, and there is some food (8) _____________ the school bags. It’s now 5.30 pm. We are (9) _____________ home, but our teacher is (10) _____________ school. He often stays late to prepare for tomorrow’s lessons.
 

(1).....................

• A. 
  at
• B. 
  in
• C. 
  on
• D. 
  of