Delta’s Key to the TOEFL iBT® is a set of high–quality practice materials for students preparing to take the Test of English as a Foreign Language Internet–based Test (TOEFL iBT). First administered in 2005, the TOEFL iBT is a widely used assessment of English proficiency in the skill areas of reading, listening, speaking, and writing. Complete Skill Practice — Fourth Edition is a comprehensive course for high–intermediate and advanced learners of English who are studying for the Internet–based Test of English as a Foreign Language (TOEFL iBT). Complete Skill Practicehas two objectives: to prepare students for the TOEFL iBT and to build the English skills necessary for study at the university level. The book’s many exercises and practice tests will develop the proficiency and confidence that are keys to success in an English–speaking environment. The course format is appropriate for both classroom and independent study. New in this edition: Diagnostic Pre–Test, 5 complete practice tests & Over 11 hours of audio.