王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 3. —Have you finished the work? ( )—Not yet, but no matter how hard it is, we'll keep ___ until we make it.(本题2.0分)A. failedB. tryingC. triedD. failing 答案 登录 注册 B. trying 出自:联大 >> 平顶山学院-大学英语2(高起专) 平顶山学院继续教育学院