11. A song was sung by the choir.
a) The choir sang a song. ✅
b) The choir sings a song.
c) The choir has sung a song.
d) The choir is singing a song.
12. The flowers were watered by the gardener.
a) The gardener waters the flowers.
b) The gardener watered the flowers. ✅
c) The gardener has watered the flowers.
d) The gardener is watering the flowers.
13. The mistake was corrected by the editor.
a) The editor corrects the mistake.
b) The editor corrected the mistake. ✅
c) The editor has corrected the mistake.
d) The editor is correcting the mistake.
14. The project was completed by the team in time.
a) The team completes the project in time.
b) The team completed the project in time. ✅
c) The team has completed the project in time.
d) The team is completing the project in time.
15. The song was being sung by her when I arrived.
a) She was singing the song when I arrived. ✅
b) She sang the song when I arrived.
c) She has sung the song when I arrived.
d) She sings the song when I arrived.
16. The thief was caught by the police.
a) The police catch the thief.
b) The police caught the thief. ✅
c) The police have caught the thief.
d) The police were catching the thief.
17. The letter has been written by him.
a) He wrote the letter.
b) He writes the letter.
c) He has written the letter. ✅
d) He is writing the letter.
18. The windows were being cleaned by the staff.
a) The staff cleans the windows.
b) The staff cleaned the windows.
c) The staff was cleaning the windows. ✅
d) The staff has cleaned the windows.
19. The prize was awarded to the best student.
a) They awarded the prize to the best student. ✅
b) They award the prize to the best student.
c) They have awarded the prize to the best student.
d) They are awarding the prize to the best student.
20. The speech was delivered by the principal.
a) The principal delivers the speech.
b) The principal delivered the speech. ✅
c) The principal has delivered the speech.
d) The principal is delivering the speech.