- For participants with a high level of English. In addition to practising your listening, reading, writing and speaking skills, you will be working on improving grammar usage and extending your active vocabulary. Coursebook from unit 1. This class is appropriate as a preparation for the Cambridge exams. <a href="https://www.vhs-ol.de/fremdsprachenpruefungen" title="Zur Prüfungsseite">Next Cambridge exams in the VHS Oldenburg </a>: March and June 2026.