Li Gang is very depressed today. He thought it would be a very dignified thing to be a invigilator for the college entrance examination. He stood on the platform and looked at the nervous students under the platform, while he stood on the platform easily, sometimes he could walk around. Intimidate the students who want to cheat, but they are scared by a examinee. Now they can't bear to think about it.

Li Gang said hello to his colleague, gave him the paper, and ran out toward the school gate. Although Li Gang's colleague was very upset, he dared not say anything, because he knew that Li Gang had a...