【单选题】He asked each of us ( ) what we had been doing.
【判断题】旅游投诉的投诉主体只能是旅游者,被投诉主体可以是旅游经营者和有关旅游行政管理部门。
【判断题】旅游投诉的投诉主体只能是旅游者,被投诉主体可以是旅游经营者和有关旅游行政管理部门。
【单选题】If a is an integer variable, a= 5> 3&&0||8<4-!0 ; which is the value of a?
【单选题】He asked each of us___what we had been doing.
【判断题】旅游投诉的投诉主体只能是旅游者,被投诉主体可能是旅游经营者和有关旅游行政管理部门。