Answer:
Have not
Explanation:
Have not combines to become haven't. For example, I have not ate food today you can also say I haven't ate food today.
Answer: This is an example of a REFUTATIONAL speech pattern.
Explanation: In a refutation speech, the speaker must anticipate the audience's opposition, then bring attention to the tensions between the two sides, and finally refute them using evidential support. Refutation patterns are frequently seen in debates, where speakers are fundamentally opposed to one another's arguments.
Leo and his audience here fits into the above definition.
