Ключевые слова: academic, alarm, bachelor, blackboard, board, cap, chalk, chalkboard, class, classroom, clock, deadline, degree, diploma, education, equation, exam, formulas, girl, graduate, graduating, graduation, green, hat, late, learning, lecturer, lesson, management, master, math, mathematic, mathematical, missing, mortar, mortarboard, pressure, punctuality, research, sad, school, science, solution, student, studying, time, timely, unhappy, university, woman,