问题
选择题
The teacher called Tom to his office because he was caught in the exam.
A．to cheat
B．cheating
C．cheated
D．cheat
答案
答案：B
考查非谓语动词。主语he和cheat是主谓关系，且表示被抓时正在作弊，所以用cheating表主动和正在进行。选B。
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