1. Everyone has/have done his or her homework. 2. Somebody has/have left her purse.
3. Some of the beads is/are missing.
4. Some of the water is/are gone.
5. None of you claims/claim responsibility for this incident?
6. None of the students have/has done their homework.
7. Everyone has/have finished his or her homework.
8. Each of the students is/are responsible for doing his or her work in the library.
9. The mayor as well as his brothers is/are going to prison.
10. The mayor and his brothers is/are going to jail.
11. Neither of the two traffic lights is/are working.
12. Either my father or my brothers is/are going to sell the house.
13. Neither my brothers nor my father is/are going to sell the house.
14. Is/Are either my brothers or my father responsible?
15. Is/Are either my father or my brothers responsible?
16. Twenty dollars is/are too much to pay for this book.
17. Who has stolen that car is/are still a big question.
18. Neither John nor his friends is/are going to the beach today.
19. Either John or his friends is/are going to the beach today.
20. Neither the boys nor Carmen has/have seen this movie before