Vocabulary Test...

[passage-header]Read the passage and answer the question that follows:
[/passage-header]In May 1998, just two years after breaking his back in a parachuting accident whilst in the army, Bear Grylls became the youngest Briton to __(1)__ the summit of Mount Everest and return __(2)__. He was just 23 years old.
As his back recovered and he regained his __(3)__, Bear decided to leave the army in order to pursue his lifelong ambition to conquer the highest __(4)__ in the world. A friend of his was organizing an expedition to Everest and Bear was asked to __(5)__. After a year spent preparing for the climb and ___ (6)___ sponsorship money, he and his companions moved out to the Himalayas to __(7)__ up the challenge. 
In __(8)__ Bear spent 10 weeks on the mountain's southeast face. This __(9)__ a whole week at camp two simply waiting for the right condition to make his attempt on the summit. When he finally made it to the top, he sat for 20 minutes, just gazing in wonder at the __(10)__ before him. The hardest part was yet to come, though. Every year the number of climbers killed on Everest increases, with most deaths occurring on the descent. 
It was __(11)__ surprising then, that Bear felt a __(12)__ sense of relief when he eventually got back to base camp.