填空题 The examiner did not know whether to report the student for cheating or warning him first.
A. cheating
B. or
C. warning
D. him
【正确答案】
【答案解析】C 应改为(to)warn。[解析] 因为(to)warn是和to report并列的，两者要一致，又因第二个不定式可省去to，所以此处也可用原形。本句的意思是：“考官不知道是该上报学生作弊，还是先警告他。”