题目内容：

阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话，并把答题卡上对应题目的答案标号涂黑。

A: Nice to see you, Kathew.

B: Happy to see you again, Sun Yang. 1.

A: There’s still smog(雾霾) today. We’ll have to go to school with face masks(口罩).

B: 2. According to the report, PM 2.5 pollution is the main problem with air pollution.

A: Yes, and air pollution is harmful to people’s health.

B: So our country and Chinese people must take measures to fight it.

A: I agree. 3. 

B: In my opinion, PM 2.5 is mainly caused by cars and factories, so cars that give plenty of pollution should not be allowed and factories should be closely watched.

A: 4. We hope that more and more people will join us in making the blue skies return.

B: 5.

A.I hope so, too.

B.What measures do you think is helpful?

C.I don’t think so.

D.What a pity!

E.Good idea!

F.What’s the weather like today?

G.Thank you!