S. Korea to expand in-person learning at schools starting with kinderg… stocking 0 30 2021.01.28 17:47 https://youtu.be/2cLmlEg32kU + 3 S. Korea to expand in-person learning at schools starting with kindergarteners, first and second graders 유•초등 1∼2학년 2단계까지 매일 등교… 개학•수능 연기 ...