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Exercises   5.28   Group Exercises 
 
This is an 
<exercises> division with no 
<title>, set as groupwork, and therefore its default title will automatically indicate it is meant for a group.  Otherwise, it is not of any new interest.
1.    Multiple-Choice, Not Randomized, One Answer. 
 
What color is a stop sign?
 
  
Hint   1 . 
What did you see last time you went driving?
 
 Hint   2 . 
Maybe go out for a drive?