Please help me with this question?

When grendel speaks of unferth and says "i could crush him like a fly" what literary device is being used

Read the following excerpt from the play a raisin in the sun by lorraine hansberry: johnson (this usa woman who decided long ago to be enthusiastic about everything in life and she is inclined to wave her wrist vigorously at the heigh of her exclamatory comments.): hello there, yourself! h’you this evening, ruth? which assumption about johnson is most likely true based on the stage direction? a. her enthusiasm is used to mask her fear of public places

The question below refers to the selection “ozymandias” by percy bysshe shelley. the traveler seems to believe that — a. monuments are eternal b. the passage of time is necessary and inevitable c. we must preserve relics of past civilizations d. even the greatest works are destroyed by time