Does this make sense? The play ended in such unexpectAncy that the audience fell silent. X The play had such an unexpected ending that the audience fell silent. > the ending is totally not what you had expected The play ended so unexpectedly that the audience fell silent > The play ended suddenly ! Or does it sound any better: The play ended in such an unexpected ending that..... X The play ended in such an unexpected fashion that .. ok > better than before , but here it is just about how the play ended that you didnt expect.