The winter vacation was coming to an end in a blink of an eye. Bai Xiaoxiao had finished her winter vacation homework early, so she was looking forward to going back to school to play with her best classmates. One day, He Jinjin from next door came to ask her for advice on her winter vacation homework, but she found that the words Bai Xiaoxiao had written on her winter vacation homework had disappeared inexplicably. What was going on?
Mission: Stay curious and explore the unknown