Chose your training according to your current level and expectation:
- HSK3 / B1: You can understand the main points of clear standard input on familiar matters regularly encountered in work, school, leisure, etc and deal with most situations likely to arise while travelling in an area where the language is spoken. You can also produce simple connected text on topics that are familiar or of personal interest and describe experiences and events, dreams, hopes and ambitions and briefly give reasons and explanations for opinions and plans.
- HSK4 / B2: You can understand the main ideas of complex text on both concrete and abstract topics, including technical discussions in their field of specialization and interact with a degree of fluency and spontaneity that makes regular interaction with native speakers quite possible without strain for either party. You can also produce clear, detailed text on a wide range of subjects and explain a viewpoint on a topical issue giving the advantages and disadvantages of various options.