Ключевые слова: african, afro, age, american, beautiful, black, college, concept, education, exam, file, giving, group, hall, hand, high, hindu, indoors, international, knowledge, learn, learning, lecture, man, many, middle, multiethnic, multiracial, paper, people, person, reading, school, sitting, student, study, studying, taking, teacher, teen, teenage, teenager, test, tutor, university, woman, young,