OPIS
Oxford Word Skills improves students' vocabulary and vocabulary-learning skills. Short, clear presentations and lots of opportunity for practice give students the confidence to use new vocabulary. 100 units at each level mean they cover a huge range of topics and everyday situations. The Oxford Advanced Learner’s Dictionary app, or OALD app, provides pronunciation and more information about the meaning and usage of words.
learn over 2,800 words and phrases in each of the three books
improve your vocabulary-learning skills
practise the words in context
study 100 units (20 extra!) with more practice
use in the classroom and/or for self-study