Answer the questions
1.how many hours before a flight must a passenger be at the airport?
2.what must a passenger do at the check-in desk?
3.what must a passenger do at the check-in desk?
4.what mustn't a passenger have in his hand baggage?
5.what is london's biggest airport?

1. Two hours before the flight2. They check into the airport3. тоже самое, что и второй вопрос4. You mustn't have:     - water and other drinks, soups, syrups;     - creams, lotions and oils;     - perfumes;     - sprays;     - gels, including hair, body and shower gels;     - shaving foam and cream, deodorants;     - mascara;     - any other item of similar consistency.5. Heathrow Airport