Finding Articles - What did you learn?

This crossword puzzle covers information from the entire Finding Articles tutorial.  Click on the Check button at the bottom when done to see if all of your answers are correct.  Click on a number to get a clue.

1     2                     
               3     4      
   5    6      7               
               8         
         9              10   
                      
      11       12             
                      
      13       14             
                  15      
                      
  16                      
    17     18                 
                      
                      
      19       20    21           
                      
          22              
                      
 23                       
                      
    24