IIILO_DO

They ____ in Chicago for 20 years.

• live

• have lived

• lived

If I ____ you, I ____ that.

• were, wouldn't do

• was, won't do

• would be, didn't do

The sun ____ when the climber reached Mount Everest.

• shone

• was shining

• shines

Many new gadgets ____ invented in the 21st century.

• was

• have been

• has been

Sh! Someone ____ to our conversation!

• listens

• is listening

• listening

Unfortunately, our team ____ any games last year.

• didn’t win

• didn’t won

• haven’t won

I hope polar bears ____ extinct.

• won't become

• don't become

• didn't become

Look at that cloud! It ____ rain.

• 's going to

• going to

• will

____ people ____ think unicorns existed?

• Did, used to

• Have, used to

• Did, use to

They ____ to the movies only once a month.

• go

• have gone

• are going