Complete with the Past Simple or the Past Perfect Simple of the verbs in brackets.

1. We (check in) our luggage and then (get) something to eat from a cafe. When we (reach) it, we (realise) we (leave) our boarding passes at the cafe.
2. When we (hear) the announcement about the delay, we (not be) surprised. The information desk clerk (inform) us about it.
3. By the time the flight attendants (serve) the meal, most of the passengers (fall) asleep
4. The flight attendant (ask) the passengers to fasten their seat belts after everyone (board) the plane.