______ do not operate according to published timetable, nor are
分类: 日语（一）(0837)发布时间: 2024-09-07 07:17浏览量: 0
______ do not operate according to published timetable, nor are they advertised or promoted by the airlines themselves. A、Air taxi services B、Charter services C、Scheduled services D、Trunk route services 【正确答案】：B