Complete the sentences with a word from the box.

1. The oldest person to climb Everest is _______________ years old.
2. Ed Stafford’s journey took _______________ months.
3. Erik Weihenmayer has been blind since he was _______________.
4. Meagan McGrath took_______________ days to ski to the South Pole.
5. There are fourteen mountains with a height over _______________ metres.
6. More than _______________ climbers have climbed Everest.