passive voice 10a3

This house _____________for two months.

• has built

• was built

• has been built

• built

The lessons_______________by the students now.

• are writing

• are written

• is being written

• are being written

The room is covered ________ smoke.

Mistakes_____________since last week.

• have been made

• were made

• are made

• was made

These dresses _________________( sell) next week.

Gold ................. in California in the nineteenth century.

  

• discovered   

• are discovered

• has been discovered

• was discovered 

We use passive voice when

the doer of the action is ...........

• general

• known

• the topic of speaking

• specific

when the action itself is more important than the doer, as in .......................

• news headlines

• newspaper articles

• formal notices

• all are correct

My son ............. games for two hours.

• played 

• is played

• has been played

• has played

 Meals ...................... by Hoa every day.

• has cooked  

• are cooked

• cooked

• cooks