Little by little I improved my skiing skills and by the time I was a teenager I really started enjoying myself .
Little by little , I improved my skiing skills and by the time I was a teenager I really started enjoying myself .
Little by little , I improved my skiing skills and by the time I was a teenager I really started enjoying myself .
이 텍스트에서 모든 문법 오류 제거: Little by little I improved my skiing skills and by the time I was a teenager I really started enjoying myself . 산출: