Find these words in the model text. when do
we use them? choose the correct answers in
sentences 1-6.
when while as soon as later at first
after then finally
1 at first people were calm, but later / after
they became angry.
2 the rescue services arrived at the scene
as soon as / while they could.
3 the passengers finally / then arrived in london.
4 the train stopped, then / at first the lights
went out.
5 when / while the train stopped, people
weren't worried.
6 after / then the incident, the train company
apologized to the passengers.​