Directions: For each blank in the following passage there are four words or phrases marked A,B,C and D. Fill in each blank with word or phrases that best fits the context.
When I was a young man, I thought life was all about me --- about how I'd make my way in the world, become successful, and get the things I want.    36   then the two of you came into my world with all your curiosity and mischief and those smiles that never    37  to fill my heart and light up my day. And suddenly, all my big plans for myself didn't seem so    38   anymore. I soon found that the greatest joy in my life was the joy I saw in yours. And I    39   that my own life wouldn't count for much unless I was able to ensure that you had every opportunity for happiness and fulfillment in yours. In the end, girls, that's why I  40  President because of what I want for you and for every child in this nation. I want all our children to go to schools worthy of their    41   --- schools that challenge them, inspire them, and instill in them a    42   of wonder about the world around them. I want them to have the chance to go to college ---    43   their parents aren't rich. And I want them to get good jobs: jobs that pay well and give them benefits like health care, jobs that let them spend time with their own kids and    44   with dignity.
Sometimes we have to send our young men and women into war and other dangerous    45   to protect our country --- but when we do, I want to make sure that it is only for a very good reason, that we try our best to settle our differences with others peacefully, and that we do everything possible to keep our servicemen and women    46  . And I want every child to understand that the blessings these brave Americans fight for are not free --- that with the great privilege of being a citizen of this nation     47   great responsibility.
36. A. However                 B. While           C. But             D. Although
37. A. fail                    B. escape          C. drop            D. prepare
38. A. shallow                  B. important            C. respectful          D. delighted
39. A. recognized           B. regretted           C. realized        D. reminded
40. A .searched for            B. accounted for        C. asked for           D. ran for
41. A. potential               B. ability         C. possibility         D. reputation
42. A. sign                B. sense           C. ray             D. bunch
43. A. as if                   B. now that         C. in case             D. even if
44. A. resign              B. resettle            C. retire              D. request
45. A. borders             B. situations          C. nations             D. scenery
46. A. satisfied                   B. fortunate           C. successful      D. safe
47. A. comes               B. goes            C. lies            D. stands