I have bought my practise book almost one and half month ago, but i did not open the book.So today i opened to enter the code the but i encountered with this errrr.Kod został już wykorzystany (2021-08-11). how can i retrieve my access code?
thank you. Either you already activated this code on your account or another one. In a private message I will ask you to send me the code so that I can check it. Do not worry, we will find a solution.