Verängstigter Lehrer mit Brille verdeckt Gesicht mit aufgeschlagenem Buch, während er neben Tafel steht - Stockfoto & -bild

Attractive, happy teacher in eyeglasses holding open book while standing near chalkboard

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

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

The answer are always surprised hiding in university library, whe you back to school

Shot of young lady isolated on the white background. Business and occupation. Closeup.

Teacher in blue blouse obscuring face with book while standing near chalkboard

Beautiful student, cute young woman in class at school. Female college student hiding behind an open book and looking away. Girl covering face with book

Panoramic shot of woman holding book while standing in library

Cropped view of woman holding book and standing in library

Blonde businesswoman in eyeglasses holding paper folders near face isolated on grey

Cropped view of woman holding book while standing in library

Young woman with curly hair obscuring face with notebook isolated on grey

Cropped view of blonde woman writing on notebook while sitting near laptop with blurred co-workers on background

Selective focus of bi-racial student holding book in apartment