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teacher asks a staircase or university student to prepare for teaching and work in the teacher room
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Author:
dreamstime
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buy for Personal Use & Commercial
File Type:
JPG
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academy
addition
adviser
asks
back
background
board
book
calculate
calculation
caucasian
chart
children
class
classroom
closeup
concept
confident
count
education
elementary
explain
happy
high
hold
isolated
learn
lesson
looking
marker
math
mathematics
number
person
physics
preparation
prepare
preteaching
prework
primary
professional
room
school
secretary
showing
staircase
standing
student
study
studying
sum
teach
teacher
teaching
university
white
whiteboard
woman
work
write