1. The dog (barks / bark) when it sees strangers.

Correct Answer: barks. Explanation: “The dog” is a singular subject, so the verb “barks” is used.

2. Neither of the solutions (works / work) properly.

Correct Answer: works. Explanation: “Neither” is singular, so we use the singular verb “works.”

3. My friends and I (enjoy / enjoys) the game every weekend.

Correct Answer: enjoy. Explanation: “My friends and I” is a plural subject, so we use “enjoy.”

4. Mathematics (is / are) an interesting subject for some students.

Correct Answer: is. Explanation: “Mathematics” is treated as a singular subject, so it takes “is.”

5. There (is / are) many books on the table.

Correct Answer: are. Explanation: “Books” is plural, so we use “are.”

6. The team (has / have) reached a decision.

Correct Answer: has. Explanation: “Team” is treated as a single unit, so it takes the singular verb “has.”

7. Each of the students (is / are) responsible for their project.

Correct Answer: is. Explanation: “Each” is singular, so it requires the singular verb “is.”

8. Either the teacher or the students (is / are) giving the presentation.

Correct Answer: are. Explanation: With “either…or,” the verb agrees with the subject closest to it. “Students” is plural, so we use “are.”

9. The number of participants (has / have) doubled since last year.

Correct Answer: has. Explanation: “The number of” is singular, so it takes a singular verb, “has.”

10. Most of the water (is / are) spilled on the floor.

Correct Answer: is. Explanation: “Water” is uncountable, so it is treated as singular and takes “is.”

11. The scissors (is / are) on the table.

Correct Answer: are. Explanation: “Scissors” is always treated as plural, so it takes “are.”

12. None of the answers (was / were) correct.

Correct Answer: was. Explanation: “None” can be singular or plural, but here it refers to a single correct answer, so “was” is used.

13. Either the cats or the dog (is / are) responsible for the mess.

Correct Answer: is. Explanation: With “either…or,” the verb agrees with the subject closest to it. “Dog” is singular, so we use “is.”

14. A few of my friends (has / have) already completed their tasks.

Correct Answer: have. Explanation: “A few” is plural, so it takes the plural verb “have.”

15. The news (is / are) quite surprising.

Correct Answer: is. Explanation: “News” is a singular noun, so it takes “is.”

16. The jury (deliberates / deliberate) the case carefully.

Correct Answer: deliberates. Explanation: “Jury” is treated as a single unit here, so it takes the singular verb “deliberates.”

17. Every one of the students (needs / need) to submit their homework.

Correct Answer: needs. Explanation: “Every one” is singular, so it takes the singular verb “needs.”

18. Neither of the employees (was / were) available for the meeting.

Correct Answer: was. Explanation: “Neither” is singular, so it requires the singular verb “was.”

19. The family (is / are) taking a vacation together this year.

Correct Answer: is. Explanation: “Family” is treated as a single unit, so it takes “is.”

20. There (is / are) a few things I need to tell you.

Correct Answer: are. Explanation: “Things” is plural, so we use “are.”