问题描述：
bikes are very good改错
bikes are very good transportation tool .First,it is very cheap and()
cost only hundreds of yuan.besides,it has a small size and does not take()
up too much room .what's more,when we ride a bike ,no pollution is()
producing .meanwhile,riding a bike is the good way to exercise.also,()
because a bike is cheap ,so we don't have to worry too much about its()
being stealing .last but not least ,when you ride a bike ,we can enjoy the()
beautiful sights in the way .since riding a bike has so many advantages,()
let's try to ride a bike as many as possible.remember,we can live a()
low-carbon life by ride a bike.
bikes are very good transportation tool .First,it is very cheap and()
cost only hundreds of yuan.besides,it has a small size and does not take()
up too much room .what's more,when we ride a bike ,no pollution is()
producing .meanwhile,riding a bike is the good way to exercise.also,()
because a bike is cheap ,so we don't have to worry too much about its()
being stealing .last but not least ,when you ride a bike ,we can enjoy the()
beautiful sights in the way .since riding a bike has so many advantages,()
let's try to ride a bike as many as possible.remember,we can live a()
low-carbon life by ride a bike.
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