Skiing - Match the sentence parts

Match the beginnings of the sentences with the sentence endings. There are TWO parts you will not need.
Better skiers use longer skis because
The first boots were made of leather
Cross country skiing has been a popular form
The giant slalom is longer than the slalom
After World War II, skiing boomed in the Alps because
Cross country skiing is good exercise
Sunglasses or goggles protect your eyes
In a relay race, athletes
Biathlon skiers should be good at skiing
In a freestyle aerial, skiers