A student will be immediately punished if he is foundin the exam. A. cheatB. to cheatC. c

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A. cheat
B. to cheat
C. cheated
(答案→)D. cheating
解析：考查固定用法。句意“如果发现有学生考试作弊，他将会立刻被惩罚。”find sb. doing sth.“发现某人正在做某事”，doing作宾补。故选D。