The key answer of exercise 3

a

1. cafe; office
2. shop
3. at home
4. hotel / holiday apartment

b

1. boyfriend - girlfriend / wife - husband
2. friends / sisters
3. mother and son
4. brothers

c

1. evening
2. lunch time / late morning
3. early evening / dinner time
4. early morning

d

1. They are going to eat before going to the cinema.
2. They are going for an early lunch.
3. The rucksack is in the attic / the boy can go camping.
4. The boys will have another ice cream before leaving for the airport.