9. Writing twelve one-act plays and two longer works kept him busy for two years.
A) prepositional (0 points)
B) participal (0 points)
C) appositive (0 points)
D) gerund (1 point)

10. Falling into three main phrases, O'Niell work grew stronger during his life.
A) prepositional (0 point)
B) participal (1 point)
C) gerund (0 point)
D) infinitive (0 point)