![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
The two Belgians explained that when they heard the conductor 1) _________ from the other end of the carriage, they 2)___________ their seats, went into the 3)_________ and 4) _________ the door. When the conductor knocked on the toilet door saying “5)_________ __________, they 6)_________ one ticket under the door. It was then 7) __________ and pushed back under the door again.