Answer: elegant +, ostentatious -, fine •
Explanation:
Video games are sports that take place in a computer. They're interactive TV shows and interactive movies. They're digital board games and card games. They're rough simulations of everyday life including, probably, whatever you do for a living.
Allusion is a figure of speech, in which one refers covertly or indirectly to an object or circumstance from an external context. For example, you might say to one of your guy friends, "Don't act like Romeo in front of her." that would mean you are referencing to Shakespeare's "Romeo and Juliet."
The answer is: Impromptu speeches require lots of research.
When you Impromptu, it means that it was not prepared ahead of time. Usually it requires stock information. Research could not be used in impromptu speeches as it is something that is done without preparation.