The free play questions in the last three minutes of the Mandarin exam usually had the following topics: 1. Personal interests and hobbies: candidates can talk about their interests, hobbies, specialties, things they like, etc. 2. Travel and food: The candidates can talk about their travel experiences, favorite restaurants, and food. 3. Literature and art: candidates can talk about their favorite literary works, artists, artistic styles, etc. 4. Health and Lifestyle: The candidates can talk about their health habits, lifestyle, health knowledge, etc. 5. Current affairs and politics: candidates can talk about recent current affairs, political events, political views, etc. Other topics: You can talk about other topics such as music, sports, technology, etc. It should be noted that in the Mandarin test, candidates should abide by the rules of the test. They should not talk about topics unrelated to the test, nor should they make grammar mistakes or speak incoherently.