Passive voice present past and present perfect

In this hospital, small injuries ___________ by assistant doctors.

• treat

• treated

• are treated

• were treat

The wheel __________ thousand years ago.

• is invent

• is invented

• was invented

• invented

English _________ in many countries all over the world.

• is talk

• was told

• was said

• is spoken

New medicine for many diseases ___________ every year.

• are discovered

• is discovered

• was discovered

• were discovered

The thief __________ to the nearest police station.

• took

• taken

• was taken

The light bulb ________ Edison.

• is invented by

• invents by

• was invented by

What kind of music _________ by Mozart?

• was played by

• is played by

• plays by

Many plays ___________ by William Shakespeare.

• is written

• were written

• are written

Turn this sentence into Passive Voice: Everybody has approved Marcela's suggestion.

• Suggestion's Marcela has approved by everyone.

• Marcela approved everyone's suggestion

• Marcela's suggestion has been approved by everyone.

Our salesmen __________ all the carpets.

• has been sold

• has sold

• have sold

• has selled