Delta\'s Key To The Next Generation Toefl Test 1/e: Advanced Skill Practice (free 10 Audio Cds)

This book is a complete course designed for students preparing to take the next generation TOEFL Internet-based test (iBT) which assesses proficiency in all four language skills: reading, listening, speaking and writing. It includes 36 units and unit quizzes with explanations, practice exercises and extension tasks for the four skills, as well as four full-length practice tests, and more.