1. I’m sure you’ll have no difficulty ………the exam.

2. He would rather ……… that train than wait for the next one.

3. How many times have I told you…………. . football in the street?

4. Neil Armstrong was the first man ………. . on the moon.

5. I’ve warned you many times ………. the front door unlocked.

6. It is imperative………what to do when there is a fire.

7. Our boss would rather ………. during the working hours.

8. The struggle for women's rights began in the 18th century during a period ………as the Age of Enlightenment.

9. It has been suggested that Mary ………. . a computer course in preparation for a steady job.

10. This is the only solution ………the problem effectively.

11. Michael looked deeply hurt and surprised when ……… .

12. Connecticut was the fifth of the original thirteen states ……. the Constitution of the United States.

13. No one can avoid ………. . by advertisements.

14. The teacher insisted that the report ……… on time.

15. She apologized for ……… so rudely to her parents.

16. He was seen ……… the building late last night.

17. The manager had his secretary ……… the meeting room.

18. It is essential that every student ……… the rules carefully.

19. The scientist is believed ……… a new cure for the disease.

20. She regretted ……… the truth earlier.

21. The book is too difficult for children ……… .

22. He objected to ……… unfairly.

23. This is the first time she ……… such a serious mistake.

24. She left the room without ……… goodbye to anyone.

25. She made her children ……… their homework before dinner.

26. He denied ……… the confidential information.

27. The boy was too frightened ……… a word.

28. I remember ……… the door before leaving the house.

29. He was accused of ……… confidential information to the press.

30. She is said ……… abroad for many years.