In pairs, match words 1-5 with definitions a-e. 1 trek (n) [para. 1] 2 raise money (v) [para. 1] 3 disabled (adj) [para. 1] 4 charity (n) [para. 2] 5 challenge (n) [para. 6] a describing somebody who cannot use a part of their body b a long, difficult journey on foot c something that tests your skills or abilities d an organisation that helps people who are poor or sick e to collect money that you can use to help people