1. (1) commission (2) smashed (3) smash (4) volunteered (5) spill (6) crash (7) contrast (8) commission (9) spilt (10) volunteer (11) contrasts (12) crashed
2. (1) e (2) e (3) a (4) a (5) c (6) d
3. (1) happy (2) impulsive (3) carelessness (4) calmness (6) illness (7) awareness (8) weakness (9) submissive
(XIX) Grammar Task 2: No Mistake
has lived → has been living enjoyed → enjoys No Mistake have tried → tried No Mistake No Mistake No Mistake
visit → have been visiting has been liking → likes got → had I got broke → had broken No Mistake No Mistake
had suffered → was suffering No Mistake
received → have been receiving No Mistake
(5) firm