Which do you have (the color of the cover usually helps)? Headway Student's Site | Learning Resources
: Useful for completing listening and comprehension tasks. gdz po anglijskomu new headway
Since "GDZ" specifically refers to pre-solved answers, you are likely looking for the or Workbook with Key for your specific edition (e.g., 4th or 5th edition). Which do you have (the color of the cover usually helps)
Which are you studying (e.g., Elementary, Pre-Intermediate, Intermediate)? gdz po anglijskomu new headway
: These versions include an "Answer Key" section at the back specifically for self-study.
: Interactive activities to check your grammar and vocabulary. Finding Answer Keys