1. Has Sarah eaten the cake?
  2. Has the mechanic fixed the car?
  3. Have they completed the homework?
  4. Has the doctor prescribed the medication?
  5. Has John painted the fence?
  6. Has the company shipped the package?
  7. Has the team won the championship?
  8. Has she written the letter?
  9. Has the chef cooked dinner?
  10. Have the students completed the assignment?
  11. What has Sarah eaten?
  12. Who has fixed the car?
  13. What have they completed?
  14. What has the doctor prescribed?
  15. What has John painted?
  16. Where has the company shipped the package?
  17. What has the team won?
  18. What has she written?
  19. What has the chef cooked?
  20. What have the students completed?