Marie：Roy and Carla, what are your ideas for solving these pollution problems？

Roy：To cut down air pollution，we should take the bus or subway instead of    

Carla：Yeah, or ride a bike. There are other advantages of bike riding. It's good for health and it doesn't   much！

Marie：Great ideas！What about waste pollution?

Carla：Mmm, I thank simple things like bringing a bag to go shopping can help. I started doing that a year ago.

Roy：Me，too. Also I never take wooden chopsticks or plastic when I buy takeaway food. I use the ones at home．

Carla：And remember to throw rubbish in the bins and keep places clean and beautiful for everyone·

Marie：So together, our actions can make a and lead to a better future！