Unit 5

When I arrived at the station, the train ______.

• had already left

• had been leaving

• was leaving

• leaves

She was exhausted because she ______ all day.

• worked

• had worked

• had been working

• works

They ______ for hours, so they decided to take a break.

• had studied

• had been studying

• studied

• have studied

Before we moved to this city, we ______ (live) in the countryside for many years.

He was out of breath because he ______ (run) for 30 minutes.

By the time we got to the restaurant, they ______ serving dinner.

• finished

• had finished

• had been finishing

• were finishing

When we got to the airport, we found out that our flight ______.

• had been canceling

• had canceled

• had been canceled

• was canceling

The streets were wet because it ______ all night.

• rained

• had rained

• had been raining

• rains

They ______ for an hour when the storm started.

• walked

• had walked

• had been walking

• were walking

By the time the police arrived, the thief ______ (escape).