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

Across 3. should ought to 4. to decide 6. to arrive 8. snacks 11. ball point pen 13. teacher 16. to dance 19. relatives 20. to look 21. high school 22. book

Down 1. to believe 2. to live 5. to write 6. pencil 7. to teach 9. to learn 10. to understand 12. drink 14. to work 15. student 17. on foot 18. classroom