Sites claiming to offer "Oxford Word Skills Basic audio free download" (archive.org, random file-sharing blogs, YouTube playlists) are often:
Oxford Word Skills Basic is a highly effective resource for building foundational vocabulary. The accompanying audio files are essential for mastering pronunciation and listening comprehension. oxford word skills basic audio files best
: You can listen to the pronunciation model for every single vocabulary item, ensuring you don't develop "silent" vocabulary that you cannot use in speech. Sites claiming to offer "Oxford Word Skills Basic