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).......
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