Which of the following is a simple sentence? O A. Soaring higher.
B. I went to the movies.
C. Over the rainbow.
D. Greg looked at me, and then ran away.

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.