African American male lecturer helping guy student to test during exam. Lecturer speaking wih students and answering questions. Testing
Lecturer speaking to audience
Engaged student discussing with a lecturer. Motivated young person actively participating in classroom activity asking professor a question.
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Caucasian young male professor in speaking to students in auditorium and explaining material. University concept. Man teacher at high school
Lecturer gesticulates and speaking to audience at seminar
Waist up slowmo of multicultural group of students having lecture in auditorium. Biracial girl raising her hand to ask professor question
Waist up slowmo of Caucasian female university student asking professor question while writing lecture sitting at desk in auditorium with multiethnic fellows
Mid-aged African American professor walking among desks in classroom and speaking to diverse students while giving lecture in high school
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African American man professor walking the during examination and helping guy student to test. Lecturer communicating wih students and
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African American young male professor in speaking to students in auditorium and explaining material. University concept. Man teacher at high
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African American man professor walking the auditorium during exam and helping multiethnic students to test. Lecturer talking wih mixed-races