18.Stepping lightly across the roof, he crooned: " Cha, cha, cha." By now in his 60s and missing several teeth, he clacked his dentures when the camera began rolling.
19.' Mrs Traynor walked briskly down the corridor, gesturing from one doorway to the other, without looking back, her high heels clacking on the flagstones.
20.He took a single blundering step backward, hearing his heels clack on the white hexagonal tiles, and at the same moment his urine broke, spilling effortlessly out of him.