What do these lines suggest about the mayor's toothache? O It has been going on for at least five days.
O It is not terribly serious.
O It has just begun.
○It is affecting both sides of his face.​

it is the background information on the characters and setting explained at the beginning of the story. the exposition will often have information about events that happened before the story began. the exposition is often the very first part of the plot.

because she needs money