Passive voice

The secretary ... to her new boss yesterday.

• was introduced

• is introduced

• introduced

A famous architect .... the bridge.

• was built

• has been built

• built

The house ..... by a pop star.

• bought

• was bought

• will buy

Local police ... the bank robber.

• have arrested

• have been arrested

• was arrested

Tom ... his key.

• has lost

• was lost

• has been lost

Many accidents ... by dangerous driving.

• are caused

• causes

• have been caused

This situation is serious. Something must .... before it's too late.

• have done

• be done

• do

Have you heard the news? The President .... !

• has shot

• has been shot

• shot

When I came to the party, John ... home.

• had already been gone

• was gone

• had already gone

They ... this clock now.

• repair

• are repairing

• are being repaired