根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限一词。
Dear Peter,
       I'm glad to receive your letter. Thank you for your caring for the weather and my health. Now I'd like to tell you something a____ the smog（雾霾）.
Since the winter last year, the smog has t____ place for several times. It has done great harm to our d____  life. Many traffic accidents happened just because of the heavy smog weather. More and more people have to go to see the d____  because of the serious disease caused by the smog. Quite a lot of flights have to be put off. A great number of people have to stay at h____ for fear of the poisonous air caused by the smog.
      People have realized the great harm caused by the smog and the importance of p____  the environment. People from all over the country are taking actions to reduce the smog weather. The g____  asks people to go to work or school with the public traffic, such as the bus and the u____ . Also we should plant more trees.
    According to me, I will go to school by bike or on foot, and I won't throw the waste a____ . In addition, I will tell the people that all of us should try our best to protect the environment. Would you like to tell me some good ideas? I'm looking f____  to your reply.
Yours,
Wang Hua