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试题详情及答案解析
Once a student is caught     in the exam, he will be severely punished.
A.to be cheatingB.to cheat
C.cheatingD.cheated
答案:C
试题分析:考查固定搭配。句意:一旦发现有学生考试作弊,他将会受到严厉的惩罚。catch sb doing sth撞见某人正在做某事,是固定搭配,故选C。
考点:考查固定搭配