English at work: a mobile friendly multiple choice online quiz for English language students, which tests whether students understand the difference between formal and informal language in the workplace, and situations when the formal register needs to be used, rather than informal language. Part of a free series of ESOL For Work lessons about English in the workplace. Suitable for use in class or for self-study at home.
Longman English Dictionary is the leading dictionary for learners of English of all ages and levels who want to learn more about English: definition, idioms, examples and more.