Months and Ordinal numbers

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Across
  1. 1. the 2nd month of summer holiday
  2. 6. the 1st month of summer holiday
  3. 8. the ordinal number that ends with "st"
  4. 10. on the 14th of which month do we celebrate the Valentine's day?
  5. 11. the month in which children go to school after summer holiday (write the ordinal number of the month)
  6. 12. "T" is the ......... letter of the English alphabet
  7. 13. December is the ....... month of the year
  8. 14. this is the 5th month of the year
  9. 15. the school starts on the 1st of .........
  10. 18. on the fourth Tuesday of this month people in the USA celebrate Thanksgiving
  11. 19. the twelfth month of the year
  12. 20. the month that starts with "M"
Down
  1. 1. on the 1st day of this month people fool (oklamat) each other with jokes
  2. 2. write the ordinal number of "thirty"
  3. 3. at the end of this month people celebrate Halloween
  4. 4. the New Year is celebrated on the 1st of .......
  5. 5. "E" is the ..... letter of the English alphabet
  6. 7. this month is the first one of summer months
  7. 9. the ordinal number that ends with "nd"
  8. 16. August is the ...... month of the year
  9. 17. the ordinal number that ends with "rd"