根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整。（每空一词）
Dear Peter,
I’m glad to receive your letter. Thank you for your caring a     the weather and my health. Now I’d like to tell you something about the smog（雾霾）.
Since the winter last year, the smog has taken place for several times. It has done great harm(伤害) to our d­     life. Many traffic accidents have happened because of the h     smoggy weather. More and more people have to go to see a d     because of the serious diseases(疾病) caused by the smog. Quite a lot of flights have to be put off. A great number of people have to s     at home for fear of the poisonous(有毒的) air caused by the smog.
People have realized(意识到) the great harm caused by the smog and the importance of
p     the environment. People from all over the country are taking a     to improve the smoggy weather. The government asks people to go to work or school with public traffic tools, 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 anywhere. M     , I will tell people that all of us should protect the environment as p     as we can. Would you like to tell me some good ideas? I’m looking forward to your reply.
Yours,
Wang Hua