问题 更新时间2023/4/3 12:59:00 Chinese Mandarin (普通话) is ________ for foreigners to learn because the changes in the tone will totally change the meaning of words.accessiblecompetitivedifficulteasy 答案 登录 注册 答案:C 出自:青书学堂 >> 河南牧业经济学院-大学英语