Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

Fill in the words in the singular:

1							2
3
		4			5
									6
		7
		8
					9
10
					11		12
							13

 Check 

Across: 3. 4. 7. 8. 10. 11. 13.

Down: 1. 2. 5. 6. 8. 9. 12.