填空：time think travel through go to work for

填空：time think travel through go to work for
Now,many people in london ____ or school by Segway.The London government ____ it a good way to solve the problem of traffic jams.People can use Segway to ____ nice parks and narrow streets.They don't have to drive along crowded roads.It is very convenient ____ people and they can save a lot of ____.Each Segway is about 10,000 dollars.