a) They have to run to the shelter when they heard the sirens.
b. There are no vegetables or fruits : they have to grow their own food.
c. People are not allowed to turn on the lights at night.
d. They are allowed to buy food with tickets only.
e. Londoners are not allowed to go out at night, they have to stay at home.
f. People aren't going to run during air raids to prevent panic.
