"Johnny, where's your homework?" Miss Martin said sternly to the little boy, while holding out her hand.

"My dog ate it," was his solemn response.

"Johnny, I have been a teacher for eighteen years. Do you really expect me to believe that?"

"It's true, Miss Martin," insisted Johnny. "I had to force him, but he ate it!"

Today's joke was taken from AJokeADay.com. Disclaimer.