B. Select the letter of the correct word from the key lists given. 6. An art of expressive and persuasive speech discourse a. rhetoric b. narrative c. expository 7. The form assumed by a verb to indicate the time of its action a. tense b. mood c. voice 8. Indicates whether the subject of a verb is the doer or the receiver of the action b. passive a. voice c. active 9. Subject and verb are the most important parts of a sentence. a. subject b. verb c. sentence base 10. Preposition word to be used if you want to express the doer/agent of the verb. a. by b. to c. in​