Answer:
The narrator creates uncertainly by calling into question the integrity of the main character while making clear that The Adventures of Huckleberry Finn is intended as a comedy.
Explanation:
By saying that it's 'mostly true' called the integrity into question as well as the fact that he 'but lied one time or another'. It is intended to be funny as is the story.
Answer:
That he just wants to hang out, or he doesn't know what you like doing, so he didn't make any plans.
Answer: He built a new tea shop to attract more customers.
Explanation: