问题 更新时间2023/4/3 12:59:00 16. His success was due to _______ he had been work hard.(本题3.5分) A、 that B、 the fact which C、 the fact that D、 the fact of 答案 登录 注册 标准答案:C 出自:青书学堂 >> 河套学院-大学英语