In his youth he showed great interest in travel and began his 1)____ trips. Over 30 years, he traveled 2)____ the country and wrote about every place he visited. Although Xu 3)____ hardships on the way, he never quit.As Si Ku Quan Shu states, Xu 4)____ what he saw and heard with his own eyes and ears, with accurate descriptions and research based on his first-hand experiences. After Xu's death, his diary was edited and 5)____ became The Travel Notes of Xu Xiake.

阅读篇有关徐霞客的短文，用所给单词的适当形式填空。

eventually major experience throughout record

Xu Xiake was a native of Jiangyin, Jiangsu Province. In his youth he showed great interest in travel and began his 1)____ trips. Over 30 years, he traveled 2)____ the country and wrote about every place he visited. Although Xu 3)____ hardships on the way, he never quit.

As Si Ku Quan Shu states, Xu 4)____ what he saw and heard with his own eyes and ears, with accurate descriptions and research based on his first-hand experiences. After Xu's death, his diary was edited and 5)____ became The Travel Notes of Xu Xiake.