Ключевые слова: academic, arrow, books, bulb, college, crisscross, cube, desk, doodles, drawings, education, encyclopedia, exam, finger, formulas, girl, globe, happy, high, home, homework, information, knowledge, learning, lens, mathematics, people, person, pointing, preparation, preparing, read, reading, school, session, signs, smiling, stack, student, study, studying, symbols, table, teenager, test, textbooks, university, woman, young,