经海关许可，进出境运输工具不得兼营国内运输，不得载运境内货物及国内旅客。 ( )
参考答案：对
—Did he come back late last night?
—No．It was not yet eight o'clock _____________ he arrived home．
A．before
B．that
C．until
D．when
跨装货物只准辆车负重吗？
