机动车行驶证灭失、丢失，机动车所有人要向登记地车辆管理所申请补领、换领。
参考答案：对
Look at the timetable. Hurry up! Flight 9598 ______ off at 12:18.
A．takes
B．took
C．will be taken
D．has taken
什么是超声波的折射？
