Duration: depending on your current level. If you are already on examination level, 10 teaching units may suffice to familiarize you with the testing format. If you stumm need to improve your level, you may need more (check how long does it take to reach the testing level). 本網站對於任何使用或引用本網站網頁資料引致之損失或損害，概不負責。本網站亦有權隨時刪除、暫停或編輯本網站所登載之... https://a247913.suomiblog.com/the-greatest-guide-to-購買b2證書無需考試-46844022