Blackboard
Palabras clave
advertisement,
advert,
advertisement,
advertising,
background,
billboard,
black,
blackboard,
blank,
board,
chalk,
blackboard,
class,
close,
communication,
concept,
copy,
copy space,
drawing,
education,
empty,
handwriting,
learning,
lesson,
message,
note,
old,
school,
signs,
space,
student,
symbol,
teacher,
teaching,
text,
texture,
up,
used,
white,
write
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