When I got to the airport, I realized ________________.
I left my keys at home
I was leaving my keys at home
I had left my keys at home
She ________________ when the phone rang.
had studied
studied
was studying
When he arrived, they ________________ all the pizza.
were eating
had eaten
ate
While I ________________ my book, the power suddenly went out.
was reading
had read
read
Before she moved to New York, she ________________ in Chicago for five years.
was living
had lived
lived
They ________________ on the beach when it started raining.
sunbathed
had sunbathed
were sunbathing
When the movie ended, I realized that I ________________ my candy bar.
didn't eat
wasn't eating
hadn't eaten
When I got home, my dog ________________ for me at the door.
was waiting
had waited
waited
He was walking ______________ because he had hurt his ankle.
suddenly
slowly
fast
The cat crept ______________ through the dark room.
fast
suddenly
quietly
The thunderstorm began ______________, catching everyone off guard.
unexpectedly
sadly
quickly
