Li Yang: Good morning, Mathew.
Mathew: Good morning, Li Yang. ?
Li Yang: There's still smog(雾霾) today. We'll have to go to school with masks(口罩).
Mathew: ! According to the news, PM 2.5 pollution is the main problem of air pollution.
Li Yang: Yes, and air pollution has done harm to people's health.
Mathew: So the Chinese government and Chinese people must take action to fight it.
Li Yang: ?
Mathew : Since PM 2.5 is mainly caused by vehicles(机动车) and factories, cars with large emissions (排放) should not be allowed and factories should be closely watched.
Li Yang: . We hope that more and more people will join us to save the planet.
Mathew:
| A. I hope so, too B. Can you give any advice C. I don't think so D. What a pity E. I agree F. What's the weather like today G. That's all |
