.After boarding the plane, I found my seat _____ by a police officer, wondering whether I got the wrong flight.
My parents _______ have arrived at suppertime but their flight was held up due to the heavy fog.
The reason _______ he didn’t come was _______he was injured.
_______life in a new country can be difficult, it can broaden a person’s view of the world.
Mary decided to attend the party, _______ to see her friends whom she hadn’t seen for ages.
-- Hello, I _______ to ask if I can book two tickets for tonight’s film. -- Sorry, we’ve already sold out.