【正文】
h which 47. When she worked with the government, she _____ the difficult task of monitoring elections. A. overworked B. overtook C. underwent D. undertook 48. Apparently, it wasn‘t an accident. Someone must have done it on _____. A. intention B. determination C. purpose D. reason 49. _____ conclusion, walking is a cheap, safe and enjoyable form of exercise. A. In B. On C. By D. As 50. Julie went to the _____ to buy a pair of shoes. A. shoes store B. shoe‘s store C. shoe store D. shoes’ store 51. He has called a meeting of all parties with a _____ to form a new government. A. purpose B. reason C. view D. goal 52. Gazing into his eyes, she seemed to have _____ all he said. A. taken up B. taken over C. taken off D. taken in 53. In every major city there are more _____apartments than there are homeless people. A. blank B. vacant C. empty D. bare 54. They claim that _____$150 million is to be spent on improvement. A. sufficiently B. approximately C. considerably D. properly 55. These two areas are similar _____that they both have a high rainfall during summer. A. except B. so C. now D. in 56. It offers us a fuller sense of being intensely alive from _____ to moment. A. time B. moment C. period D. instant 57. It may be worth remembering that _____ John Major didn‘t himself go to Oxford, most of his ministers did. A. after B. since C. w