Delta’s Key to the TOEFL iBT: Advanced Skill Practice; Revised Edition
Delta s Key to the TOEFL iBT: Advanced Skill Practice is a revised and updated edition of Delta s Key to the Next Generation TOEFL Test. Since the introduction of the TOEFL iBT in 2005, there have been significant changes to some of the test questions, particularly the integrated writing and integrated speaking tasks. The new 2011 …