What if the calligraphy marker is blue and black?

Respond to the superior. When the calligraphy grading pen is used as a blue-black pen, it needs to respond to the superior to avoid mistakes. Calligraphy test scores: primary (grade one, two and three); Intermediate (level 456); Advanced (level 789). China Painting and Calligraphy Grade Examination is a skill training and evaluation system for China painting and calligraphy learners sponsored by the Examination Center of the Ministry of Education. The purpose of holding China Calligraphy and Painting Grade Examination is to learn and inherit Chinese excellent traditional culture, popularize the art of calligraphy and painting, popularize advanced learning concepts through scientific and standardized training and assessment, gradually reach a preliminary understanding and cognition of the art of calligraphy and painting, and improve learners' artistic skills and aesthetic level of calligraphy and painting.