What details suggest Grendel is a creature of pure evil? (lines243 and 253)

Karen often finds that tasks come up unexpectedly during her day, and she has trouble figuring out how to rearrange her schedule because she changes it daily.  what should karen do to prevent these unexpected tasks from disrupting her day

What is the correct def of moif? an idea or object that recurs in a text

1. in which sentence is the underlined portion a predicate nominative? for astronauts, going into space to repair orbiting equipment becomes a challenge. for astronauts, going into space to repair orbiting equipment becomes tricky. for astronauts, going into space to repair orbiting equipment becomes challenging. for astronauts, going into space to repair orbiting equipment becomes frequent.