If you have acquired the book, simply playing the audio in the background is not enough. Here is a strategy to maximize retention:
Be careful when purchasing online. Many sellers list the "Livre de l'élève" (Student book) but do not mention the audio. Look for these exact ISBNs or descriptions: communication progressive du francais a1 audio
Some full audio-book versions are occasionally hosted for preview on platforms like Internet Archive or Scribd . Communication progressive du français niveau débutant If you have acquired the book, simply playing