1. Under no circumstances _______ you press this red button.

2. Only by working hard _______ we achieve our goals.

3. Not only _______ speak English, but he is also fluent in French.

4. On no account _______ the door be left unlocked.

5. Seldom _______ she seen such a beautiful sunset.

6. Rarely _______ he go out at night.

7. Never _______ I heard such a ridiculous story.

8. Only then _______ I realize how much I had missed her.

9. Hardly _______ started the lesson when the fire alarm went off.

10. Scarcely _______ arrived at the station when the train left.

11. No sooner _______ left the house than it started to rain.

12. Not until then _______ the truth.

13. At no time _______ aware of the danger.

14. In no way _______ this be considered a success.

15. Only after the meeting _______ the decision.

16. Little _______ she know about the surprise party.

17. Nowhere _______ find such a delicious meal.

18. Only in this way _______ the problem.

19. Such _______ the power of the storm that many trees fell.

20. So beautiful _______ the girl that everyone looked at her.

21. Not only _______ the house, but she also did the laundry.

22. Only by chance _______ the lost ring.

23. Only when I called him _______ about the accident.

24. Under no circumstances _______ the secret.

25. Only if you help me _______ finish the work.