Which sentence uses a verb that agrees with its compound subject? A. Both Chris and Adam seems too young for that water slide. B. A hammer and a level is helpful to a carpenter. C. She and her family agree with the route you chose. D. The boys and their dog has gone on a hike.
The answer is C. Chris and Adam has a singular pronoun when it needs plural. Is does not work in sentence B Has doesn't work in sentence D. Good luck! C is correct
