31. So serious ________ that even the best doctors failed to save his life.

　 A. the man was injured　　　　　　　　　　　　　　　　 B. was the man injured

　 C. the man is injured 　　　　　　　　　　　　　　　　　 D. is the man injured

30. Mr. Keller ______ forty cigarettes a day until he gave it up.

　 A. had smoked　　 　　　　　 B. smokes 　　　　　 C. have smoked 　　　　　　 D. smoked

29. --- Do you know that man?

　 --- Not really, just a nodding _______.

　 A. acquaintance 　　　　　　 B. participant 　　　　　 C. relation　　　　　　　　 D. frequent

28. Please remember _____ wins you respect is not your background but your knowledge and virtues.

　 A. that 　　　　　　　　　　　　 B. what 　　　　　　　　　　 C. which 　　　　　　　　　 D. where

27. I find it astonishing that she _____ treat you like this in public.

　 A. should 　　　　　　　　　　　　　 B. must 　　　　　　　　　　 C. may 　　　　　　　　　　　　　　 D. would

26. Their work ______, all the experts went out for relaxation.

　 A. to complete 　　　　　　　　 B. completing 　 C. completed 　　　　　　　　 D. had been completed

25. Willie has complained to the sales manager about the PC he bought _____ screen exploded for no reason.

　 A. which 　　　　　　　　　　　　　 B. where 　　　　　　 C. whose 　　　　　　　　　 D. when

24. It began as just an _______ Monday, but soon became a day I would never forget.

　 A. ordinary 　　　　　　　　 B. offensive 　　　　　　　 C. exceptional 　　　　 D. appropriate　

23. --- He is fifteen years older than you.

　 --- _______　 Love has nothing to do with age.

　 A. What for?　　 　　　　 B. How about it?　　　 C. So what? 　　　　　　　　　　 D. How come?

22. Salaries are much higher here than ______ in my city.

　 A. that　　 　　　　　　　　　 B. it 　　　　　　　　　　 C. ones　　　　　　　　　　　 D. those