You can brush your teeth on sugar in Chinese education class. In addition to the real questions and simulation questions in recent years, there are some excellent questions created by the expert group, which are of great help to improve your ability. In addition, the sugar app in Huayu classroom has the function of automatically including wrong questions, and according to the wrong topic, students push the intensive exercises of the same type of questions to guide students to adapt to the thinking of answering questions in science.