Self-study Edition available, with a Self-study Guide that includes:Detailed and clear explanations for the right and the wrong answersThe Writing and the Speaking Tutors.Audioscripts, Answer Key, MP3 Audio CD
Self-study Edition available, with a Self-study Guide that includes:Detailed and clear explanations for the right and the wrong answersThe Writing and the Speaking Tutors.Audioscripts, Answer Key, MP3 Audio CD