Revise the sentences by replacing the underlined phrases with those using strong, active verbs.
i was crossing the blacktop toward the school as the buses were pulling in .
i was embarrassed and i looked around for somewhere to hide, but there was nowhere to go .

what is the question?

what excerpt? i would generally think a.

gregor's attempts to crawl on the walls

basic principle: a pronoun usually refers to something earlier in the text (its antecedent) and must agree in number — singular/plural — with the thing to which it refers. the indefinite pronouns anyone, anybody, everyone, everybody, someone, somebody, no one, and nobody are always singular.