This document contains a series of dialogues and questions about appropriate expressions in different situations. It tests understanding of polite language for making requests, offers of assistance, apologies, and leaving messages. It also contains passages of information about plays being performed at a theater with comprehension questions to follow. The dialogues and questions cover topics like asking to open a window, ordering a drink on a plane, identifying the correct seat on a train, leaving phone messages, and offering assistance. The passages provide details about dates and times of performances at a theater.