19. A. a pity B. nature C. a chance D. lucky
18. A. discovery B. mistake C. decision D. fortune
17. A. must B. can C. need D. may
16. A. care B. surprise C. worry D. regret
15. A. was to beat B. was dealing with C. was to meet D. was looking for
14. A. met B. caught C. followed D. discovered
13. A. wanted B. tried C. ordered D. wished
12. A. left B. acted C. sat down D. calmed down
11. A. restaurant B. washroom C. office D. kitchen
10. A. true B. hopeful C. clear D. possible