Howe believed that "friends of [the British] Government" along the Hudson would make Burgoyne's task easy. But along the Hudson there were also many enemies of the British. A Peekskill man, for example, although paid to be a courier for Burgoyne, handed the general's message to the Americans. Other British couriers who rode south were never heard from again.

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.