New English File Advanced. Grammar Checker

Oxenden Clive, Latham-Koenig Christina.
Oxford University Press, 2010. — 16 p.
Completely new level. Lively, challenging topics that stimulate response and discussion amongst higher-level students. Purposeful speaking activities that push students to use an advanced range of language. New lexis in context feature focusing on high-frequency natural language in a variety of different registers.