Ключевые слова: advice, ask, background, bearded, book, caucasian, chalkboard, cheat, cheerful, class, classroom, college, concept, course, discussion, during, education, exam, friend, girl, group, groupmate, high, hold, knowledge, learn, lecturer, lesson, listen, man, mate, notebook, professor, school, speak, spend, student, study, talk, teacher, test, them, time, together, tutor, university, watch, while, woman, young,