Đề bài: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 is 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.