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.
SQL Server Example Database. Free download. A modern version of Northwind Traders.