17 Where are the passengers?

[A] In the train

[B] On the ship

[C] In the plane

18 Why has the captain asked the passengers to keep their seat belts on?

[A] The plane is going to land

[B] The plane is going to take off

[C] The air might become very rough

19 What has the captain asked the passengers not to do during this summer?

[A] Order drinks

[B] Smoke cigarettes

[C] Use the toilets

20 When will the passengers be able to get up again?

[A] When an air-hostess says so

[B] When the seat-belt sign goes off

[C] When the captain makes another announcement.