hello
수강생 원문과 튜터 교정 (Before & After)
학생 제출 원문
Because modern science and civilization have developed rapidly, I thought life expectancy would be considerably high. However, the news said the average life expectancy in the world is 64 years. It is much lower than I thought.
튜터 교정 답변
교정 내용이 클립보드에 복사되었습니다!