Ответ:

1. elf

2. Christmas tree

3. Christmas cards

4. Santa Claus

5. reindeer

6. wreath

7. stocking

8. sleigh

9. gingerbread

10. snowman

11. presents

12. ornaments

13. chimney

14. candy cane

15. holly

16. lights

17. letter

18. bells

19. candle

20. mistletoe