\u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
原级：proctor
现在分词：proctoring
过去分词：proctored
过去式：proctored
1. Exams without proctors were introduced at Chongqing Industry and Commercial University last Wednesday.