阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
A man from Portland has become the first person to travel across Antarctica by himself without receiving any assistance. Colin O’ Brady completed the 1,500kilometer trip on Wednesday. He 【小题1】 (cross)the continent in 54 days. Friends, family and other people followed his progress through messages and 【小题2】 (picture)he shared on Instagram. 33yearold O’Brady recorded the trip, which 【小题3】 (call) “The Impossible First” by him on Instagram. He wrote on Wednesday that he traveled 【小题4】 last 129 kilometers in one big, final push to the finish line. The distance took over one day 【小题5】 (complete).
O’ Brady wrote, “While the last 32 hours were some of the most 【小题6】 (challenge) hours of my life, they have been some of the best moments I have ever experienced.”
“I was listening to my body and taking care of the details to keep 【小题7】 (I) safe,” he wrote. “I called home and talked to my mom, sister and wife—I promised them I would stop 【小题8】 I needed to.”
Other people have traveled across Antarctica, but they all had some form of assistance. They either had 【小题9】 (good), more plentiful supplies 【小题10】 equipment that helped move them forward.
