are the sentences active or passive
....6. Letters are delivered every day.
.....7. My sister types very fast.
....8. Have you been informed about the meeting?
.....9. The sink will be repaired on Thursday.
...10. Tina took her dog for a walk last night.
......11. My office is cleaned three times a week.
......12. The computer hasn't been used for a long time
......13. A forest fire destroyed the whole suburb.
.....14. Susan will bake two dozen cupcakes for the bake sale.
...... 15. English is spoken in many countries in the world.
-.... 16. They deliver the newspaper in the morning.
.... 17. Tyra Banks show isn't watched by most boys.
.... 18. Somebody pushed Mary into the water.
.....19. We haven't paid the gas bill yet.
....20. Instructions will be given to you by the director.
...21. The kangaroo carried her baby in her pouch.
...22. These luxury cars were imported from Europe.​

Answer:

When using Passive voice, the action in the sentence is being done on the subject of the sentence. In Active voice, the subject is the one doing the action.

Passive voice: This question was answered by Parrain.

Active Voice: Parrain answered this question.

6. Passive.

7. Active.

8. Passive.

9. Passive.

10. Active.

11. Passive.

12. Passive.

13. Active.

14. Active

15. Passive.

16. Active.

17. Passive.

18. Active.

19. Active.

20. Passive.

21. Active.

22. Passive.