问题
选择题
Once ____in the examination, your grade will be cancelled immediately.
A．caught cheating
B．caught to cheat
C．catching stealing
D．to be caught to steal
答案
答案：A
考查非谓语动词用法。Catch sb doing sth发现某人正在做某事；句意：一旦考试作弊被抓住，你的分数将立刻被取消。A为正确答案。