完成句子。根据括号里的提示，每空填一词, 使句子语法正确，意思完整

61. I was only able to look at nature through dirty curtains hanging before _______(布满灰尘的) windows.

62. India has a very large number of ______ (流利的) English speakers.

63. She _______________(毕业) from a famous and worked in a foreign company.

64. Two______ (水坝) fell and most of the bridges also fell or were not safe for travelling.

65. At that time my wife and children had to beg for food and help from _______(亲戚) or friends.

66. His most exciting ______ (invite) was to perform on a TV programme called “Top of the Pops”.

67. Frederick William I, the King of Prussia, could never have imagined that his greatest gift to the Prussian people would have such an______ ( amaze) history.

68. Go away, or you may be             (bite) by the dog .

69. Are you sure you ____________ (entire) understand the importance of this task?

70. He always dreams to be a             (report).