题目内容：

根据短文内容，用方框中所给单词的适当形式填空，每词限用一次。

 

More and more people like bicycling. It’s fun, ___1.__ , and good for the environment .Bikes can take you almost anywhere !Get on a bicycle and ride! You may  _2.___ something new all around you . Parking a bike is  _3.____ than parking your car. You can bike to work and benefit from the enjoyable exercise without __4.____ the environment. You don’t even have to___5.___ all the way.