Verse 43: The more adventurous the young person, the _____ the challenge they are likely to set themselves for the gap year, and for some, like Nigel, it can result in a thirst for adventure.

knowledge: vocabulary

Explain: greater challenge: greater challenge

The more adventurous young people are, the greater the challenge they can pose for themselves in the gap year, and for some, like Nigel, that can lead to a thirst for adventure.