cheat on/at/in exam
1.The boy was charged with cheating on the examination.
那个男孩被控考试作弊。
2.The boy has made a practice of cheat at examination.
那男孩经常考试时作弊。
3.7. The teacher punished her student for cheat in the exam.
老师处罚学生考试作弊。
cheating and copy
copy