All the pieces of what work to support the what?

do you have a picture of the cartoon?

its the 2nd line believe me i did this dont forget to press

i say that the right answer is: three personal subject pronouns. that’s because you will see “she” two times, referring to the librarian, and “they” one time, referring to the books. personal subject pronouns are used to replace common nouns or proper names.

the only possessive noun it’s present on the first sentence, when the speaker refers to “his” father.