American Headway 2. Units 7-12

Soars John.
2nd Edition. — Oxford University Press, 2010. — P. 50-155.American Headway, Second Edition is the world's most trusted adult English course offering a perfectly-balanced, six-level syllabus and fresh new digital support. With a strong focus on grammar, clear vocabulary syllabus and integrated skills work, its proven methodology provides classroom lessons that really work. The new Second Edition features fully-revised material, including a completely new Advanced level.