When you leave a country you must first (5) ....................... with the airline to get your boarding pass. If there are a lot of people you must (6) ................ Then you go through (7) ............................., where they check your travel documents and then to the (8) .............................. to wait for your flight.On most international flights you have a (9)........................... of 20 kilograms per person. Many airlines allow you to take one bag on to the aircraft usually a maximum weight of 7 kg. This is called a (10) ..........................................