Which sentences demonstrates correct subject-verb agreement? 1) The group of girls, giggling in unison, step up to the plate to sing.
2) The group of girls, giggling in unison, steps up to the plate to sing.
3) The boys, along for the ride, shuffles their feet while waiting.
4) The boys, along for the ride, has been shuffling their feet while waiting.

Which sentence features a correctly identified compound pronoun in a prepositional phrase? a)she and i will be at the park on tuesday, waiting for mariah and them. b)the gift grandmother brought was for me and him. c)everyone is so sure that he'll be late after traveling with peter and maria. d)after they visit the grand canyon, tianna and mom are going to a spa.