Grendel fears Hrothgar because of the Shaper. The Shaper has made Hrothgar so much more of a magnificent figure than he was before. In sense, the Shaper "shaped" Hrothgar's feats and reputation to a more amplified one, making Grendel fear the new and great Hrothgar by the skill of poetry and speech.
Answer:
A) It may take me months, if not years, to train for a marathon
Some differences are lifestyle, wealth, and jobs.
C: demonstrate that Washington was an important figure in history