坚持不懈的努力使他取得巨大的成就 用英语怎么说He has been ___ hard ____ the time ,and he has made _____ _____.

问题描述:

坚持不懈的努力使他取得巨大的成就 用英语怎么说
He has been ___ hard ____ the time ,and he has made _____ _____.