Profesor en blusa azul oscureciendo la cara con libro mientras está de pie cerca de pizarra - Foto e imágenes de stock

Scared teacher in eyeglasses covering face with open book while standing near chalkboard

You should remember. Teacher formal wear and glasses looks smart, chalkboard background. Man unshaven holds book in front of face. Teacher insists on need to memorize information. Education concept.

Grey hair professor covering face with book

Closeup portrait of student holding book in front of his face and pointing at his head with other hand. Thoughtful intelligent man in suit standing in classroom.

Young teacher sitting in school classroom

Attentive teacher in eyeglasses pointing with finger at open book while standing near chalkboard

Headless businessman with books on chalkboard background. Knowledge concept