The speaker is talking something about the public bikes.She thinks it's a good thing.because it's（1）

for people to go out by bike.Besides，it can help people keep（2）

Third，if more people （3）

to ride bikes，there will be fewer cars and （4）

as they are now.What's more，riding bikes can help（5）

the environment，because there will be loss pollution.The speaker hopes more and more people can ride bikes and（6）

.