Young male student answering professor's question during university lecture
Engaged students actively participating in classroom discussion
aged professor of medicine is answering at questions of students and patients during online lecture, medium portrait
Cheerful African American professor walking among desks in classroom, answering questions of students and smiling while working in university
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African American male lecturer helping guy student to test during exam. Lecturer speaking wih students and answering questions. Testing
African American professor giving a lecture and explaining lesson to students at University library
Thoughtful student in white coat engages in lecture or seminar in modern classroom
College lecture. African american teacher talking with students during lesson, asking questions and listening to answers
Medium shot of multi ethnic group of students raising hands to answer questions asked by smiling middle aged female professor in glasses during lecture at university
Handheld shot of middle aged university professor pointing at blackboard when asking question to student during lecture
college professor answering students question
Engaged student actively participating in classroom discussion