Sir/Madam, ___ I please see your boarding pass? We _____ help you find your assigned seat to ensure a smooth boarding process., MAY, COULD, I apologize, but our popular chicken dish is unfortunately out of stock. ___ I offer you our delicious grilled fish, or _______________ me to check if we have another alternative in First Class?, MAY, WOULD YOU LIKE, Excuse me, sir/madam, for your safety during takeoff, cabin baggage ____ be stowed in the overhead bin. ______ I assist you with lifting it?, MUST, COULD

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