✔ Correct Answer: B. Either the cat or the dog was responsible for the mess

The correct answer to the question “Choose the sentence with correct subject-verb agreement: Either the cat or the dog were responsible for the mess, Either the cat or the dog was responsible for the mess, Either the cats or the dog were responsible for the mess” is Either the cat or the dog was responsible for the mess. This question belongs to Grammar Concepts & Terms in English. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.