Please take a look at the PDF document.. it includes three questions on a Shakespearian comedy the Twelfth Night.

if this question is the one you have than the answer would be:

it creates a serious tone, and a persuasive tone.

What is the effect of formal language and word choice on the speaker's tone?

Select each correct answer.

excerpt from Franklin Delano Roosevelt's Inaugural Address of March 4, 1933

This is preeminently the time to speak the truth, the whole truth, frankly and boldly. Nor need we shrink from honestly facing conditions in our country today. This great Nation will endure as it has endured, will revive and will prosper. So, first of all, let me assert my firm belief that the only thing we have to fear is fear itself—nameless, unreasoning, unjustified terror which paralyzes needed efforts to convert retreat into advance.