问题 更新时间2023/8/30 16:17:00 5()his number for an hour only to hear a busy signal, she became impatient and calledthe operator for assistance..A . DialingB . DialedC . Having dialedD . To dial 答案 登录 注册 C 出自:思纽教育学院 >> 伊犁师范-英语语法