sorry that I keep posting this is parts, but here's the next one:
35. A. so that
36. B. because
37. C. but
38. C. /
39. B. and; but
40. B. when / C. though (I think you can use both here, but B is more of a critic)
41. B. so that
42. B. so that
43. D. that
44. D. too
45. C. so; that
46. D. Although
47. D. so, that
48. C. so; that
49. B. so, that
50. A. so, that
51. D. would
A tip to answering this is, if you can answer without looking at the options, and then when you look at them, your answer is there, most of the time, you will be right, because options sometimes only confuse us.