There are currently two collections available of practice tests for Cambridge English: Proficiency.
Each collection offers a Student’s Book without answers, Student’s Book with answers, Audio CDs and a Self-study version. The Student's Book with answers and Self-study version contain the answer key and recording scripts, making it ideal for self-study or classroom use.
The Self-study version also includes access to the audio files for the tests. Proficiency 1 is packed with the corresponding Audio CDs. The audio for Proficiency 2 can be downloaded from the Cambridge LMS with the access code and instructions supplied on the inside front cover of the book.
Informed by the Cambridge English Corpus