1. A joke
- What's the best time for a dental appointment?
- Tooth-thirty.
2. A pun
“And how many hours a day did you do lessons?” said Pablo, in a hurry to change the subject.
“Ten hours the first day,” said Alex, “nine the next, and so on.”
“What a curious plan!” exclaimed Pablo.
“That's the reason they're called lessons,” Alex remarked: “because they lessen from day to day.”