根据句子中所给出的首字母或者括号内汉语意思的提示，写出正确的单词。

61. Cholera was the __________ (致使的) disease of its day.

62. A woman liked the water from the pump so much that she had it d______ to her house everyday.

63. John Snow a________ Queen Victoria as her personal ___________（内科医生）.

64. King James of Scotland became King of England and Wales without c_________.

65. The ____________(省份) are called counties in England.

66. However, the southern part of Ireland was u__________ and broke away to form its its own government.

67. John Snow was able to ________ (宣布) with certainty that polluted water carried the virus.

68. He wanted to face the _________(挑战) and solve this problem.

69. The performance left a deep ____________(印象) on the audience.