Why? Because without the audio, those 188 pages are just a reading book. The DELF B2 tests your ears , not just your eyes. Find the audio, and you will pass.
You know you need the ABC DELF series. You know you want the PDF. But what is the significance of the number 188? Is it a page number? An edition? A secret code for passing the listening section? Abc Delf B2 Pdf 188
The "B2" version is particularly popular because the B2 level is the "gateway" to French universities and citizenship. So, why are people searching for "188"? Why? Because without the audio