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

Horizontal 2. to leave, go out 4. to wrap 9. to surprise 10. to receive 11. the wrapping paper 12. the decorations 17. to give a party 18. the surprise party

Vertical 1. the balloon 3. the birthday card 5. to sing 6. the guests 7. the holiday 8. to come 13. to bring 14. to dance 15. to open 16. to look for