When was the first bicycle invented The first bicycle was invented .

Xiao Wang’s mother bought him a______bicycle for his birthday. A: [A] five-speeds B: five-speed C: five-speed’s

Why does John want to buy a bicycle A: To replace his stolen bicycle. B: To begin bicycling to work. C: To join a bicycle club. D: To train for a bicycle rac

Which is _____ , a bicycle or a computer?

D6.Which bicycle is Bobert's?________________________

Setting up separate bicycle tracks is an effective way to _______ bicycle accidents and improve the safety for riders who share the road with motor vehicles.

A steel company sells some steel to a bicycle company for $150. The bicycle company uses the steel to produce a bicycle，which it sells for $250. Taken together， these two transactions contribute（ ）. A: $250 to GDP. B: $150 to GDP. C: between $250 and $400 to GDP, depending on the profit earned by the bicycle company when it sold the bicycle. D: $400 to GDP.

You can borrow that bicycle if you________．

How do you think of the bicycle?

I learned to ____ a bicycle as a small boy.