Oleg sighed heavily.He was tired, and now he had his fourth class that he had conducted today.It was an exam.He did not like taking exams, he could immediately understand when a student was not ready and sent for retake, but students often argue with him, which exhausts and unnerves him

He was calm, carefully watching so that no one thought to cheat.He hates cheating, he wanted to see the real knowledge of students, so that everyone would prepare for his exams and tests, so that there would be interest