Запишите предложения, расставив слова (группы слов) в верном порядке.
1. abroad / spend / every year / their holidays / more and more people.
2. are / at peak times / there / at the passport control / lots of queues.
3. the result / be / of take offs and landings / can / plane delays.
4. and pleasant / make / on board the plane / members of the cabin crew / your flight / will / more comfortable.