Complete the crossword, then click on "Check" to check your answer.
1        2                
                    
 3     4                  
5                      
         6             
7                      
                    
                    
    8                  
                    
  9                    
                    
      10                
                    

Across:

1. For how long
4. How long
5. who
7. At what time
8. With whom
9. How
10. Why

Down:

2. How long
3. Where
5. When
6. What