1. Why did Toby ask Mrs. Granger to explain what an oracle was? What happened as a result?

Hello!
Toby originally asked Mrs. Granger to explain what an oracle was because he knew that a test was
scheduled for the end of the period. Toby reasoned that Mrs. Granger, who was fond of
long-winded explanations, would take up much of the time expounding on a subject she 'could
really get her teeth into.' Thus, the test would be forgotten. However, Toby did not bargain for
the fact that his scheme...