2020
aboard
academic
aspiration
back
background
beginning
black
blackboard
board
calendar
celebration
chalk
chalkboard
child
class
classroom
course
day
drawing
educated
education
educational
engineering
girl
global
goal
greeting
happy
holiday
international
kid
learning
mathematics
maths
month
new
room
schedule
scholar
scholarship
school
science
semester
student
study
teacher
technology
world
year
定額
2020 new educational academic calendar year for school class with student kid raising world global planet on teacher's green chalkboard for back to school celebration, classroom scheduleの素材 [FY310135329741]
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