active
answer
blackboard
board
boys
caucasian
children
class
classroom
competent
education
elementary school
experienced
friendly
german
germany
girls
grammar school
hand
happy
knowledge
learning
lesson
listening
no mask
occupation
participation
people
person
primary school
profession
pupil
raising
room
school
schoolboy
schoolgirl
student
students
studying
teacher
teaching
tuition
woman
work
working