• Master HSK in 21 Days, a set of exam teaching materials designed according to the features of each level of HSK exams, is suitable for both classroom teaching and self-learning. Each lesson provides analyses and explanations of the key points of the test, examples and exercises with detailed analyses of answers, in order to guide the students to learn, practice and review the HSK exam in a more effective way. The series is just like a teacher whom the students can trust, a teacher who answers exam questions in detail, explains them in a colloquial way and helps students enhance exam tactics and testing skills at the same time.

•The learning process is divided into 21 days so that students can improve their testing skills and Chinese proficiency in a short time, by thinking in Chinese and making it a habit.