According to your textbook, the impromptu speaker delivers a speech with little or no immediate preparation.
Impromptu speech
Impromptu speaking is a speech that a person delivers without predetermination or preparation. It is otherwise known as an extemporaneous speech. The speaker is most commonly provided with their topic in the form of a quotation, but the topic may also be presented as an object, proverb, one-word abstract, or one of the many alternative possibilities.
Therefore, the correct answer is impromptu.
learn more about impromptu speech from here: https://brainly.com/question/19152785
