“Little Johnny, where’s your h…

“Little 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.
“Little Johnny, I’ve been a teacher for eighteen years. Do you really expect me to believe that?”
“It’s true, Miss Martin, I swear,” insisted Little Johnny.”I had to force him, but he ate it!”