Complete the text with the words from the list, filling in the gaps with the letters A-E. A bicycle is a two-wheeled machine that is pedaled by the rider's feet. People ____ A ____ bikes for hundreds of years. Historians disagree about the invention of the bicycle. Some historians think that Leonardo da Vinci ____ B ____ a sketch of a bicycle in 1492. The first two-wheeled rider-propelled machine ____ C ____ by Baron Karl von Drais de Sauerbrun of Germany. In 1817 he rode it for 14 km. ____ D ____ frame was made of wood and this bike didn't have pedals. Nowadays there are different kinds of bikes. The mountain bicycle is used for riding on rough roads. It has ____ E ____ than 10 speeds, wide tyres, and strong wheels.