1. billete   ticket   airplane   airline   customs clearance   Hint Half-n-half Clue   2. visa   visa   vegetarian   elevator   passport   Half-n-half Clue   3. aduana   cafeteria   customs officer   seat number   customs   Half-n-half Clue   4. libre de derechos de aduan   passenger   snack   escalator   duty free   Half-n-half Clue   5. número del asiento   seat number   shop   meal   baggage allowance   Half-n-half Clue   6. número de vuelo   pilot   flight number   gate   seat belt   Half-n-half Clue   7. asiento   seat   pilot   air hostess   immigration   Half-n-half Clue