从方框内所给句子中选择恰当的句子完成下面的对话，并将代表答案的字母填在题后的横线上,有两项是多余的。
Li Yang: Good morning! Tony Green.
Tony: Good morning , Li Yang.. _________..
LI Yang: There is still smog(雾霾)today. We’ll have to go to school with face masks.(口罩)
Tony: ____ According to the news，PM2.5 pollution is the main problem of air pollution.
Li Yang: Yes, and air pollution has done harm(伤害) to people’s health.
Tony: So the Chinese government and Chinese people must take action to fight it.
Li Yang: ___________
Tony: Since PM2.5 is mainly caused by vehicles(机动车)and factories, cars with large emissions(排气) should be not be allowed(允许) and factories should be closely watched.
Li Yang: ____________ We hope that more and more people will join us in making the blue skies return for good.
Tony:___ ______
| A.I hope so, too. B.Can you give some advice? C.I don’t think so. D.What a pity! E.I agree. F.What’s the weather like today? G.That’s OK. |