When the Chinese teacher turned around, the Yellow Crane Tower appeared in the air. The math teacher looked back and saw the symmetry axis of quadratic function. When the English teacher turned around, I was sorry to add three grams of oil. As soon as the chemistry teacher turned around, carbon dioxide turned into gas and oil. Archimedes wanted to jump off a building as soon as the physics teacher turned around. As soon as the biology teacher turned around, the IVF swam in the water. As soon as the PE teacher turned around, Jordan switched to playing table tennis. As soon as the political teacher turned around, the whole class sleepwalked. The music teacher turned his head and shook his head with the beat. When the history teacher turned around, Qin Shihuang came to make soy sauce, and when the art teacher turned around, the Mona Lisa became romantic. When the geography teacher turned around, there was a mudslide at the school gate. When all the teachers turn around, all the students are not free!