11.disappointing, disappointed          12.astonishing, astonished
13.excited, exciting                         14.annoying, annoyed
15.puzzled, puzzling                        16.confusing, confused
17.embarrassed, embarrassing          18.frustrating, frustrated
19.pleased, pleasing                         20.encouraged, encouraging
21.upset, upsetting                          22.tired, tiring
23.fascinated, fascinating                 24.disturbed, disturbing
25.terrified, terrifying