1. (2020·德州) What is the man's advice on reducing air pollution?

We should do something together to protect the environment.<br />I agree. Well, to reduce air pollution, we should ride a bike instead of driving.<br />Question. What is the man's advice on reducing air pollution?<br />We should do something together to protect the environment.<br />I agree. Well, to reduce air pollution, we should ride a bike instead of driving.<br />Question. What is the man's advice on reducing air pollution?