Transform the statement into the active voice:
'The Guernica was painted by Pablo Ruiz Picasso.'

Why isn't it necessary to use the agent in the following statement?
''The windows are being painted.'
a. We don't know who is painting the windows.
b. We all know painters do this job.

Harry, the boy that works for Swizell's, does't pay.

Transform the statement into the passive voice:
'They are painting the windows.'

Why isn't it necessary to use the agent in the following statament?
'In the Osasuna vs. Athletic de Bilbao match, Osasuna was beaten.'
a. It is obvious.
b. Football fans know Athletic de Bilbao won the match.

How the winner to look after a Pacfic island was chosen?

Transform the statement into the passive voice:
'The teacher will have explained everything about the English verb system by the end of the year.'

Why isn't it necessary to use the agent in the following statament?
'Headphones are used to listen to music privatley.'
a. The agent is people in general..
b. We don't know who uses headphones.

The manager told Roisin that if she fell asleep, she would fire.

Transform the statement into the passive voice:'Javier Marías has not published his latest book yet.'

Why isn't it necessary to use the agent in the following statament?
'It is believed that the new management consultant will be prometed.'
a. We don't know who will promote him/her.
b. It is obvious who promotes employees.

When I took the new job I gave on-the-job training.