Paragraphs 8 and 9 are mainly a description of - O the way the author and Kenny worked together to push the wagon along
O the typical routine the author followed when he went to the grocery stores
O the different neighbors the author saw on the way to the grocery store
O the safety measures the author took when walking along the shoulder of the road

answer: librarians is the correct word.

the answer is:

when will (v) the books (n) be (v) due?

nouns refer to people (other than pronouns), places and things, whereas verbs describe actions and are usually part of the predicate of a sentence. finally, pronouns can work as nouns and identify the participants in speech.

in the example sentence, "will" is a verb part or auxiliary verb, "be" is an infinitive verb and "books" is a plural noun.

i am also pretty sure it is c