In which sentence is the underlined group of words a prepositional phrase acting as an adverb

Fill in the blanks mommy told the kids, who promised they up their rooms by lunch, that they would go to the park. a would cleanb cleanedc have cleaned

Has anyone ever read the poem “at a window “ by carl sandburg? there are a few multiple choice questions i have to answer about it.

Create an accurate summary of the “goodbye” scene between marylin and her brother in “the cold equations”