题目内容：

阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

If this 13-year-old American boy succeeds in his effort 1. (climb) Mount Everest, he has modest ambitions — pick a small piece of rock from the top of the world as a memento (纪念品 ) and wear it in a necklace.

"I will not sell it or give it to anyone. It is something for 2. (me) to say ‘this is a rock from the summit', ” Jordan Romero from California, told reporters in Kathmandu. He left 3. the mountain on Sunday.

If he 4. (succeed), Romero will become 5. youngest climber to scale the 8,850 meters Everest summit. 6. (current) a 16-year-old Nepali boy, Temba Tsheri Sherpa, holds the record of being the world 's youngest climber of Mount Everest. But Romero said he was not after 7. (set) climbing records.

Romero said Mount Qomolangma was part of his goal to climb the highest mountains on all seven 8. (continent).

"It is just a goal,” he 9. (say) confidently. "If I don't succeed I am okay. I will try again. ”

Romero has already climbed Mount Kilimanjaro in Africa and Mount McKinley in Alaska among others.

"I know it requires a lot of 10. (patient). I will remain patient. I want to stay safe and make right choice, ”Romero said.