Examples include the shroud that Penelope weaves for Laertes, the great bow of Odysseus, the sea itself, and the island of Ithaca. The shroud that Penelope weaves for her father-in-law, Laertes', eventual funeral symbolizes the cunning with which she confronts the suitors.

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.