.After boarding the plane, I found my seat _____ by a police officer, wondering whether I got the wrong flight.
The professor gave orders that the test _______ before 10:30.
I think ______ at the train station will surprise Aunt Kate.
It was until last year that he ______.
The boy pretended ______ his homework, when his parents came back home.
They need twenty more workers ______ their group to do the job.