(catch)______cheating by the teacher in the exam, David scored zero in math exam

游客2023-09-21  21

问题 (catch)______cheating by the teacher in the exam, David scored zero in math exam.

选项

答案 ought

解析 逗号后的主句主谓宾结构完整,因此可知空格处为非谓语动词。主语David与catch为逻辑上的被动关系,可知这里应用catch的过去分词形式,注意首字母要大写。
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