问题 更新时间2023/4/3 12:59:00 I.m afraid we have to change the appointment . I have something important to do.A.T hat.s all rightB.I t.s my pleasureC.I have a busy scheduleD.I wish I could. 答案 登录 注册 A.T hat's all right 出自:国家开放大学 >> 国家开放大学理工英语三