Fill in the blanks with the correct passive or active form of the verbs in brackets: 8) The team ______ the app for months before investors stepped in. (develop); 9) The director ______ the final decision tomorrow afternoon. (announce); 10) A new community center ______ here by the municipality next year. (build); 11) Tech companies ______ thousands of software engineers in this city. (employ); 12) A special meal ______ for the guests by the chef at this moment. (prepare); 13) The delivery driver ______ the package to the wrong address. (deliver); 14) Contract details ______ by the team when the call disconnected. (review); 15) ______ her latest novel ______ by the author yet? (publish); 16) Scientists ______ the new treatment continuously for months. (test); 17) ______ the company ______ the new employees before they started work? (train); 18) The auditors ______ the records for hours before they found the mistake. (examine); 19) ______ our flight tickets ______ by the airline if the flight gets cancelled? (refund); 20) They ______ the results of the survey later today. (release); 21) ______ they ______ the office carpets every weekend? (clean); 22) Look! A new movie ______ in the town square. (film); 23) ______ the police ______ the suspect last night? (arrest); 24) ______ the decorators ______ the hall when you dropped by? (paint); 25) Our technical team ______ the software glitch successfully. (solve); 26) ______ workers ______ the museum all morning? (renovate); 27) The assistant ______ out all the invitations prior to the meeting. (send); 28) Those parts ______ by the factory for weeks before the strike began. (produce)

1. The team had been developing the app for months before investors stepped in.
2. The director will announce the final decision tomorrow afternoon.
3. A new community center will be built here by the municipality next year.
4. Tech companies employ thousands of software engineers in this city.
5. A special meal is being prepared for the guests by the chef at this moment.
6. The delivery driver delivered the package to the wrong address.
7. Contract details were being reviewed by the team when the call disconnected.
8. Has her latest novel been published by the author yet?
9. Scientists have been testing the new treatment continuously for months.
10. Had the company trained the new employees before they started work?
11. The auditors had been examining the records for hours before they found the mistake.
12. Will our flight tickets be refunded by the airline if the flight gets cancelled?
13. They will release the results of the survey later today.
14. Do they clean the office carpets every weekend?
15. Look! A new movie is being filmed in the town square.
16. Did the police arrest the suspect last night?
17. Were the decorators painting the hall when you dropped by?
18. Our technical team solved the software glitch successfully.
19. Have workers been renovating the museum all morning?
20. The assistant had sent out all the invitations prior to the meeting.
21. Those parts had been being produced by the factory for weeks before the strike began.

The forms are selected according to the tense indicated by the time expressions and whether the sentence is active or passive.