她的办公室在走廊的尽头。
Her office is at the end of the ___corridor.
我听到脚步声在长长的走廊里回荡。
I heard footsteps echoing in the long ___corridor.
餐车位于火车上狭窄通道的尽头。
The dining car is located at the end of the narrow ___corridor on the train.