1. The police _______ searching for the suspects in the city.

2. The number of students who failed the exam _______ surprising.

3. A number of people _______ waiting for the prime minister.

4. Neither the teacher nor the students _______ the answer.

5. Physics _______ always been a challenging subject for many.

6. Not only his parents but also his brother _______ here.

7. Each of the participants _______ to sign the contract.

8. The scissors _______ on the table for you to use.

9. The cattle _______ grazing peacefully in the meadow.

10. Every boy and girl _______ given a small gift.

11. Three-quarters of the island _______ underwater.

12. "The Arabian Nights" _______ a very interesting book.

13. Statistics _______ that the population is aging.

14. A pair of trousers _______ hanging in the closet.

15. The furniture we bought last week _______ very expensive.

16. None of the money _______ recovered after the robbery.

17. The news _______ bad, I'm afraid.

18. Both the manager and the employees _______ happy with the bonus.

19. A lot of information _______ available on the internet.

20. Mathematics _______ my weakest subject in high school.

21. Someone _______ left their keys on my desk.

22. Ten dollars _______ too much to pay for a sandwich.

23. Most of the pie _______ eaten already.

24. There _______ several sheep in the field.

25. The blind _______ more opportunities in this country now.