题目内容：

    Run for fun and enjoy New York City's parks. Running is an active sport, and it isn't very expensive. Put on a T-shirt, shorts and a pair of running shoes. Stretch your legs and get r_______to start There are many places to run in New York City. The city's parks are a_________ the best. Go to the nearest park and find a path for running. Be sure to watch out（留心）for t _______ and other runners. In some parks on Sundays, there aren't any cars on the roads. Then you can run all around the park. Stop for a rest i_________you get tired.

Running is an easy way to e________ the city. It's good exercise, too.

1.r_________

2.а_________

3.t_________

4.i_________

5.e_________