1. Once, the teacher was calling the roll, and suddenly a student stood up and said, "Teacher, my name is Zhang San, but my parents gave me an English name, John." The teacher paused, then smiled and said, "All right, John, sit down." The whole class laughed.
Another interesting example is that when the teacher was calling the roll, suddenly a student stood up and said, "Teacher, I asked for leave." The teacher asked, "Why?" The student replied, "I couldn't get up this morning because I stayed up to watch the World Cup last night." The whole class laughed.
3. Another time, the teacher was calling the roll, and suddenly a student stood up and said, "Teacher, I have a question." The teacher asked, "What's the problem?" The student replied, "I don't know my name." The whole class laughed.
Another interesting example is that the teacher was calling the roll when suddenly a student stood up and said, "Teacher, I have a suggestion." The teacher asked, "What advice?" The student replied, "I think we should cancel the roll call system, because then we can study more freely." The whole class laughed.
The last example is that the teacher is calling the roll, and suddenly a student stands up and says, "Teacher, I have a request." The teacher asked, "What requirements?" The student replied, "I hope you don't call my name, because my name is too difficult to read." The whole class laughed.