american
answer
assistance
auditory
background
blackboard
board
book
business
chalkboard
class
classroom
college
copy
education
empty
exam
female
give
hand
handbook
hold
homework
introduce
learn
lecture
lesson
man
notebook
office
pass
people
person
point
presentation
project
reading
report
room
school
showing
space
standing
student
study
teacher
test
theme
woman
定額
A school teacher in front of the blackboard. A teacher giving a class with a book in hand. Teacher explaining a topic to his students. High quality photoの素材 [FY310190469390]
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