Punctuation marks written in chalk on a blackboard.
Schlüsselwörter
period,
comma,
exclamation mark,
written,
question mark,
chalk,
blackboard,
alphabet,
upper case letter,
epistle,
stitched,
write,
academic,
black,
board,
blackboard,
class,
close,
education,
educational,
elementary,
exercise,
handwriting,
intellectual,
intelligence,
cognition,
learn,
school,
schoolwork,
instructing,
teacher,
white
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