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Complete this sentence 4 student % of 20 students

Ok, so, i need questions and answers for what to ask someone before you go on a flight. i have a speaking test, and basically i’m sitting in front of my teacher, and she’s asking me questions (in german) and i have to answer in german. however, i need questions to ask her. like about the flight, could i get a cheaper ticket, stuff like that. i’ve never been on a plane before, so i have no idea what to ask. ! using hoch-deutsch!