Complete the text with the words in the box. bike breath exercise exhausted mountain biking rollerblading skateboard surfers
WHEELS AND FITNESS
The invention of the wheel didn't only improve transport, but also produced many sporting activities. The two wheels on a (1)..... can take you much faster and further than your two feet. The inventor of (2).... decided to put a line of wheels on his shoes. Some people say the (3) was invented by (4)......... who wanted the same experience on land as on the sea, so they put wheels on small boards. Although wheels can help us move more easily, these forms of (5) still require a lot of energy. (6) up and down tracks in the countryside certainly keeps you fit, and skateboarding will leave you out of (7) ............ as much as jogging. I tried rollerblading for the first time the other day, and after an hour, I was (8)....... 1