If you are learning English using a course book published by Oxford University Press, it is a good idea to visit the student site for that book for extra practice materials.
You can check out the following student sites for Oxford University Press course books:
• Adventures: e-cards, web search, word games, test your vocabulary, cartoons
• Happy Earth: activities, e-cards
• Happy House: games, stories, e-cards, calendars
• Happy Street: games, activities, e-cards, calendars
• I-Spy: games, e-cards, stories
• Incredible English: stories, games, e-cards, songs and chants, colouring, picture dictionary
• Kids United Brazil: games, quizzes, puzzles, calendars, e-cards
• Let's Go: resources for students, parents and teachers
• Project: games, vocabulary, grammar, e-cards
• Stardust: games, competitions, e-cards, songs, calendars
• American Adventures: e-cards, web search, word games, test your vocabulary, cartoons
• Attain: vocabulary practice, games and quizzes
• Connections: e-cards, web search, word games, test your vocabulary
• Horizons: vocabulary, grammar, quizzes, games, e-cards
• New Hotline: grammar & practice, games, e-cards, web search
• New Hotline Plus: grammar & practice, games, e-cards, web search
• Solutions: grammar, vocabulary, everyday English, games
• Trig: games, listening zones, puzzles, tests
• American Headway: extra practice and activities
• Business Basics: grammar, vocabulary, expressions
• Business Focus: focus on words, focus on grammar, focus on expressions, focus on business issues, games
• Business Grammar & Practice: create your own tests
• Business Objectives: grammar, vocabulary, expressions
• Business Vision: interactive activities
• Business One : One: email practice, grammar, interactive tests, games, useful documents
• Clockwise: end-of-level quizzes, wordlists
• English File: grammar, vocabulary, pronunciation, audio words, practical English, learning records, text builders, web links, games, mini phrasebooks, vocabulary calendar (for New English File); grammar files, grammar checks, active word lists, games, pronunciation (for original English File)
• English for Life: games, stories, tests, useful documents, study calendar
• Exams: extra materials for CAE Result!, Oxford Preparation Course for the TOEIC Test, Oxford Preparation Course for the TOEIC Test New Edition and Oxford Tactics for the TOEIC Test
• Headway: grammar, vocabulary, test builders, games, everyday English, word of the week, phrase builder, website learning record, headway study calendar
• IELTS: IELTS practice test with downloadable listenings, Help Yourself! topics, support pages and links to reference materials for IELTS Masterclass
• In English: grammar, vocabulary, everyday English, activities
• Natural Grammar: new keywords, interactive exercises, puzzles, useful materials, study calendar
• Open Forum: listening selections, worksheets, transcripts, answer keys
• Oxford English for Careers: language spot, vocabulary, listening
• Oxford Learner's Grammar: finder plus, builder plus, grammar tips, grammar calendar
• Oxford Practice Grammar: diagnostic test, test zones, audio zones, edit zones, downloadables
• ProFile: exercises, downloads, web links, games
• Quick Work: grammar, vocabulary, games
• Smart Choice: grammar and vocabulary games, pronunciation
• Tech Talk: interactive grammar, expressions and vocabulary exercises
• Test It, Fix It: make your own test, download and print useful pages and pocket guides
• The Good Grammar Book: list of units, pre-test, exercises, words for talking about grammar, list of useful words
• natural English: grammar and vocabulary, games, reading for fun, natural English vocabulary calendar