Which is a true statement about the nominative case?
a. a pronoun comes before a noun to show ownership.
b. a pronoun can be used as the preposition of a verb.
c. a pronoun can be used as the subject of a verb.

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

answer; (d) i believe the best answer is ; ///people said that man could not fly, but in 1903, orville and wilbur wright made the first sustained powered flight in a heavier- than-air machine;