1. Under no circumstances ________ the emergency exit be blocked.

2. The decision to cancel the project was ________ on the lack of sustainable funding.

3. It is essential that the witness ________ the truth during the trial.

4. The manager is suspected ________ funds for his personal gain.

5. The city council plans to ________ the old warehouse into a modern art gallery.

6. Scarcely ________ the building when the fire alarm started ringing.

7. I'd rather you ________ my personal files without asking for permission.

8. The success of the negotiations ________ on the mediator's ability to remain neutral.

9. Regardless ________ the risks involved, the explorers decided to proceed.

10. You should carry an ID card ________ you are stopped by the security.

11. By the time the sun sets, we ________ for more than twelve hours.

12. I found his explanation of the quantum theory ________ incomprehensible.

13. The more data they collect, ________ their predictions become.

14. He spoke about the ancient ruins as if he ________ there when they were built.

15. The document, ________ by the legal department, is now ready for signature.

16. The company's rapid growth is largely ________ to its innovative leadership.

17. I didn't ________ to overhear your private conversation.

18. Only after months of rigorous training ________ to complete the marathon.

19. The recent report ________ the urgent need for medical reform.

20. The suspect was ________ with grand theft auto and resisting arrest.

21. We deeply regret ________ you that your application was unsuccessful.

22. She ________ a great deal of importance to maintaining a healthy work-life balance.

23. He is the only candidate ________ has a proven track record in this field.

24. If only I ________ more attention to the small print in the contract!

25. The technical manual was ________ complex for a novice to follow easily.