Ducks fished for the moon and were later laughed at by other ducks. Finally, she dared not go fishing and starved to death.

Teacher: The whole class handed in their compositions. Why did you hand in the blank? Student: Teacher, I can't write. Teacher: Did I teach you for nothing? Student: Teacher, it's really none of my business. Teacher: There are 53 students in the class. You didn't write it, and you said it's none of your business! Student: Because the topic of my composition is my deskmate, there is no deskmate in the whole class. Please tell me how to write! Teacher: .........