Combo Oxford Dictionary For Learners Of English 

Oxford Phrasal Verbs Dictionary

Presents the information students need to understand common British and American phrasal verbs. This dictionary shows common subjects and objects to help learners use the verbs. It includes 25 pages of tips and photocopiable exercises for practice. 'Guide to the Particles' explains the important meanings of the main adverbs and prepositions.

Oxford Idioms Dictionary

Explains more than 10,000 of the most frequently used idioms in English. This dictionary contains hundreds of idioms and examples. It also includes notes on the origins of idioms, notes to help with difficult vocabulary, study pages, exercises and cartoons to aid learning and add interest.