Cambridge University Press, 2002. — ix, 340 р. — ISBN 0-521-49868-6. A self-study reference and practice book for advanced learners of English. It revises some of the more difficult points of grammar that you will have already studied - such as when to use the, a/an or no article, and when to use the past simple or the present perfect - but will also introduce you to many more...
Bowell Jeremy, Storton Richard. — Macmillan Education, 2016. — 175 p. The Workbook provides further opportunities to revisit and consolidate the vocabulary, structures and skills students have already encountered in each unit. This comes with access to the Online Workbook with interactive versions of the activities in the Optimise Workbook and audio. The go-to course for exam...