We may look at the world around us, but somehow we manage not to see it until whatever we've become used to suddenly disappears. 36 , for example, the neatly-dressed woman I 37 to see -- or look at -- on my way to work each morning. For three years, no matter 38 t he weather was like, she was always waiting at the bus stop around 8:00 am. On 39 days, she wore heavy clothes and a pair of woolen gloves. Summertime 40 out neat, belted cotton dresses and a hat pulled low over her sunglasses. 41 , she was an ordinary working woman. Of course, I 42 all this only after she was seen no more. It was then that I realized how 43 I expected to see her each morning. You might say I 44 her. “Did she have an accident? Something 45 ? ” I thought to myself about her 46 .  Now that she was gone, I felt I had 47 her. I began to realize that part of our 48 life probably includes such chance meetings with familiar 49 : the milkman you see at dawn, the woman who 50 walks her dog along the street every morning, the twin brothers you see at the library. Such people are 51 markers in our lives. They add weight to our 52 of place and belonging. Think about it. 53 , while walking to work, we mark where we are by 54 a certain building, why should we not mark where we are when we pass a familiar, though 55 , person? 36. A. Make               B. Take           C. Give               D. Have 37. A. happened          B. wanted         C. used                  D. tried 38. A. what                B. how                 C. which                 D. when 39. A. sunny               B. rainy           C. cloudy            D. snowy 40. A. took               B. brought         C. carried            D. turned 41. A. Clearly              B. Particularly      C. Luckily              D. Especially 42. A. believed             B. expressed        C. remembered         D. wondered 43. A. long               B. often            C. soon               D. much 44. A. respected            B. missed             C. praised            D. admired 45. A. better               B. worse               C. more              D. less 46. A. disappearance        B. appearance           C. misfortune         D. fortune 47. A. forgotten            B. lost                 C. known             D. hurt 48. A. happy               B. enjoyable            C. frequent           D. daily 49. A. friends             B. strangers            C. tourists            D. guests 50. A. regularly            B. actually             C. hardly             D. probably 51. A. common             B. pleasant           C. important          D. faithful 52. A. choice              B. knowledge           C. decision            D. sense 53. A. Because             B. If                C. Although           D. However 54. A. keeping             B. changing         C. passing             D. mentioning 55. A. unnamed             B.unforgettable         C. unbelievable        D. unreal