英语完形填空This is ___ picture of our classroom.It is ___ big roo

英语完形填空
This is ___ picture of our classroom.It is ___ big room.We can ___ a blackboard on the wall.We can see two ___ in the room.We can see a big desk It's for ___ teacher.Three books and a pen are ___ it.They are our teacher's ____ .these desks and chairs.They are the ___ Aball is under the teacher's desk.Jane's bag is behind ___ chair.Look,she ___ on the desk