A teacher asked one of his students:" What is the longest and what is the shortest?"
The student answered immediately:" The last several minutes of a class is the longest, while the last several minutes of an exam is the shortest."
老师问一位学生：“什么是最长的？还有什么是最短的？”
学生立马回答：“一堂课的最后几分钟是最长的，而一场考试的最后几分钟是最短的。”
