Last month I (21) a ticket online for a flight from Frankfurt to Lisbon. When I arrived (22) the airport, the person at the check-in desk wanted to see the credit card that I used to purchase the ticket. I explained that somebody had stolen my card (23) I was in Germany, so I had a new one. This card had (24) name on it, but it had a different card number.
I showed the airline representative both my passport (25) my copy of the confirmation email. However, he (26) his head and said I would have to purchase (27) ticket if I could not show him the original credit card.
Reluctantly, I paid $ 375 for another ticket to Lisbon. When I was back in Portugal, I contacted the airline customer service by phone and, after half (28) hour of conversation and argument, the airline company basically said that there_ (29) nothing they could do. I don't think I should pay twice for my airline (30) : Can you help me?
填入(22)处的最佳答案是()。
A、for
B、to
C、at
【正确答案】：C