Complete each sentence choosing the correct correct verb form
Bicycles were introduced in the 19th century and now number approximately one billion worldwide. They are the principal means of transportation in many parts of the world.
Cycling is widely regarded as a very effective and efficient mode of transportation optimal for short to moderate distances.
Practice your writing skills by discussing the questions below
- Are you into cycling? Why ? Why not?
- What does the World Health Organization say about cycling? Do you agree?
- What makes cycling a popular form of exercise?