Ключевые слова: backpack, bag, boy, brave, child, classroom, courage, discipline, emotional, energy, exam, examination, fight, force, forceful, freedom, improve, invincible, joyful, kid, learn, learning, lesson, maths, muscle, opportunity, person, potency, power, run, rush, school, schoolchild, speed, strength, strong, student, study, studying, success, super, surprise, yellow,