In the eighteenth century, cities became

larger and larger. People have moved from

1．________

the country and small towns in cities,

2．________

because there were more work for them to

3．________

do in cities. In Sundays and Holidays, people

4．________

liked to go to the country to have a good time

there. But no every family had a horse and carriage.

5．________

Inventors tried to meet the need.

The first bicycle, that was very simple,

6．________

appeared in 1790. People called it as“the horse

7．________

on wheels”. Then in 1861 with many

8．________

improvements, bicycle became a practical form of transportation.

9．________

People liked bikes because of they were less expensive than horses.

10．________