Deltas Key To The Next Gen TOEFL Test -iBT
This text builds the language skills necessary for academic success in an English-speaking environment. The course book includes 36 skill units in reading- listening- speaking-and writing, four full-length practice tests, over 1,200 questions in the format of the exam, complete answer keys and audio scripts, charts to record progress on quizzes and tests, and enough material for 15 weeks of study.
The Audio CD includes audio texts for all listening activities in the course book and over 9 hours of material on 10 compact discs.