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pupils sitting at desks in classroom, demonstrating good behavior and attentively listening to teacher standing beside
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Author:
dreamstime
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buy for Personal Use & Commercial
File Type:
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attention
attentive
audience
boy
calm
cartoon
chalkboard
character
cheerful
children
class
classroom
college
colored
colorful
demonstrating
desk
diligence
diligent
education
equation
explain
explanation
female
flat
girl
good
illustration
kids
lesson
listening
looking
male
man
mathematics
obedience
obedient
pointer
pupil
scene
school
silent
smiling
student
study
teacher
teaching
university
vector