ESSENTIAL GRAMMAR IN USE SUPPLEMENTARY EXERCISES 3RD EDITION

The world's best-selling grammar series for learners of English. To accompany Essential Grammar in Use Fourth edition, Essential Gr ammar in Use Supplementary Exercises provides elementary-level learners with extra practice of the grammar covered in the main book. The easy-to-follow exercises and full answer key make this supplementary book ideal for independent study. Extra activities for Ess ential Grammar in Use are also available as a mobile app for smartphones and tablet devices, available to purchase separately from t he App S...[Leer más]