30
30-40
30s
35
35-40
40
6
6-7
7
8
8-9
9
a
abc
adult
adults
alphabet
appearance
being
beings
blackboard
blackboards
boy
boys
casual
caucasian
caucasians
child
children
class
classroom
classrooms
clothing
color
colour
confidence
confident
education
elementary
european
female
females
first
four
front
frontal
germany
girl
girls
grade
group
groups
grown-up
grown-ups
grownup
grownups
hand
handwriting
head
head-on
human
humans
image
indoor
indoors
instructor
interior
interiors
job
jobs
kid
kids
learn
learning
leisure
lesson
lessons
letter
letters
male
males
man
men
mid
north
north-rhine
nrw
occupation
occupations
of
on
pedagogics
pedagogue
pedagogues
people
person
persons
photo
photography
photos
primary
profession
pupil
pupils
rhine
rhine-westphalia
room
rooms
school
schoolchild
schoolchildren
schools
shot
shots
small
student
system
teach
teacher
teachers
teaching
to
view
views
wear
westphalia
work
write
writing
years