1到10两两组合有几组数字

简介：Su Can was unfortunately on the list of those who were called. Liu Lei and the others were luckier. They put their schoolbags on their backs and waved goodbye to Su Can with smiles. Especially Liu Lei, who even smiled and said: Brother Can, what are you talking about? How many times have you been called upon to clean up during the semester? His face is so dark.