问题 更新时间2023/4/3 12:59:00 We all know that learning a foreign language _______ time and effort.( )(本题2.0分)A. requiresB. reducesC. removesD. repeats 答案 登录 注册 答案: A 出自:青书学堂 >> 平顶山学院-大学英语2