"Let's Learn Chinese", Free Online Mandarin audio Courses
These progressive audio lessons are suitable for all beginners (A1 / HSK1, A2 / HSK 2 and B1 levels of the Common European Framework of Reference for Languages). The "Let's Learn Chinese" complete method can also be used as supplement to any other method. Each lesson consists of a new Chinese word list, grammar points, texts and dialogues, and exercises.