1. Why did the student erase the "c" in the word "class"?
Key: to display his sense of humour.
那个学生为什么将“class”中的“c”擦掉?
为了展现他的幽默感.
2. Why did all the students laught after he did that?
Key: Without "c", "class" changes into "lass", which means "a girlfriend".
他这么做之后为什么所有的学生都笑了?
没有了字母"c",“全班学生”这个词被变成了“女朋友”.
3. Why did the student become flabbergasted after the professor erased the letter "l" in "lass"?
Key: Without "l", "lass" changes into "ass", which means "donkey". In this way, the professor is comparing the student to a donkey.
在教授擦掉"lass"中的"l"时,那个学生为什么目瞪口呆?
没有了"l",“女朋友”这个词变成了“蠢驴”.这样,教授把学生比喻成了蠢驴.