Answer:
entertain means to laugh at any joke
A warrant is an underlying assumption or inference that the writer takes for granted.
Here are the answers of the given questions above:
18. The sentence that contains an error in colon usage is option C. Brandon wanted to go fishing: but I wanted to go sailing. In this sentence, it should be a comma and not a colon.
19. An example of an indirect quotation would be option D. The lawyer said that your case will not take long. Indirect quotations no longer need quotation marks.
The correct answer would be the third option, prosperous. This means it's successful and doing well :)