1到12两个数字一组一共多少组

简介：Su Can hadn't seen this tough teacher He Jun for a long time. He used the cover of reading the questions in class and took a closer look at He Jun. His cheeks were still baby fat, a little flushed, his nose was tall and heroic, his eyebrows were thick, and his eyes were big and bright. Wearing a woolen coat with a stand-up collar and his head tied high, he has the unique vitality and excitement of a teacher in this era.