She usually _____ (work) from home, but this week she _____ (work) from the office.
works / is working
What _____ you _____ (do) at 9 p.m. yesterday?
were you doing
We have seen this movie yesterday.
We saw
When I arrived at the airport, the plane _____ already _____ (leave).
had already left
My brother _____ (not like) coffee, but he _____ (drink) it these days to stay awake.
doesn't like / is drinking
I _____ (drive) home when I suddenly _____ (see) an accident.
was driving / saw
She was very tired because she works all night.
she was working
By the time the doctor came, the patient _____ (feel) much worse.
had felt
We _____ (have) lunch at 1 p.m. every day, but today we _____ (have) it later.
have / are having
She _____ (break) her leg when she _____ (ski) in the mountains.
broke / was skiing
While I cooked, my husband watched TV and was eating snacks.
I was cooking / my husband was watching
She was nervous because she _____ (never / fly) before.
had never flown
I _____ (not understand) why he _____ (shout) right now.
don't understand / is shouting
They _____ (talk) quietly when the teacher _____ (enter) the classroom.
were talking / entered
By the time we arrived, the train already leaves.
had already left
After he _____ (finish) the exam, he realized he _____ (make) a mistake.
finished / had made
This room _____ (smell) strange. Someone _____ (cook) something unusual.
smells / is cooking
While we _____ (have) dinner, the lights _____ (go) out.
were having / went
I am knowing this doctor for many years.
have known
We _____ (not recognize) him because he _____ (change) a lot.
didn't recognize / had changed