Lesson 101 Simon 's never careless, but Billy...! 
Miss Williams: Here's your exercise-book, Billy. 
Miss Williams: You're often careless. 
Look at these mistakes! 
Miss Williams: Don't laugh at Billy, Sandy! 
Miss Williams: Whose is this exercise-book? 
Billy: It's Sandy's, Miss Williams. 
Miss Williams: Sandy, 
put your name on the cover. 
You are sometimes careless, too! 
Miss Williams: Look at Simon's exercise-book. 
Simon's never careless. 
His work is always neat and tidy. 
Billy! You naughty boy!