Old male teacher in front of whiteboard
Palabras clave
old,
teacher,
teaching,
mentor,
lesson,
tutor,
tutoring,
discussing,
explaining,
lecture,
lecturer,
computer,
laptop,
online,
cyberspace,
virtual,
distance,
social,
presenting,
pointing,
showing,
demonstrating,
academic,
experienced,
college,
learn,
exam,
back,
whiteboard,
board,
white,
education,
studying,
study,
school,
learning,
training,
classroom,
man,
class,
university
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