1
classroom
2
dictionary
3
student
4
calendar
5
teacher desk
6
pencil sharpener
7
glue
8
computer
9
pen
10
notebook
11
teacher/professor
12
board eraser
13
teacher
14
loudspeaker
15
student desk
16
poster
17
student
18
paper
19
pencil
20
floor
21
book
22
clock
23
ceiling, roof
24
classroom
25
floor
23
6
24
12
16
10
22
21
7
11
13
25
4
8
9
3
2
1
19
20
18
15
14
17