[答案]
(1)fifteenyears (2)nineteen;traveling (3)thestudents (4)interpreter (5)learnhistory
[解析]
68. 细节理解题。根据第二段It built by five ago it him years build ,花了十五年时间建成,柳永鹏花了十五年时间建成他的私人博物馆。
69. 推理判断题。根据第三段Since ,Liu traveled Xinjiang even other to folk ,柳走遍新疆和其它省,从2006年到现在。故填nineteen。
70. 代词指代题。根据第四段Her feelings changed when her daughter's school organized to the ,and gave positive after the ,参观博物馆后他们给了她积极的观点)可知。故填the students。
71. 词义猜测题。根据第五段Our was of for then became a interpreter the did told the stories each with 。我也是,interpreter的意思是"解说员"。
72. 细节理解题。根据最后一段As and people here learn ,I have to on(由于越来越多人来这里了解历史,他决定继续是因为看见越来越多人来这里了解历史。
[点评]
本题考查了"家庭、朋友与周围的人,记叙文,",属于"易错题",熟悉题型是解题的关键。