题目内容：

阅读下面短文，从短文后各题所给的四个选项（A, B, C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

Is the world really going mad? _____day I was sitting in a restaurant _____ a quick drink and a talk with a few friends when it suddenly _____ me that almost everyone in the restaurant was smoking. It wasn’t long _____ the whole room was _____ with smoke. I asked with an apology for _____ to open a window to stop myself _____!

Nowadays air pollution is something that hardly question any more. However, I still can’t walk down the street in any of the big cities without _____ that people are _____ the air pollution. It is time for the government departments of the world to introduce emission(废气排放) controls on all cars and _____ the public transport system(公共交通体系) to encourage people to _____ their cars at home. A friend of mine takes flying lesson each morning and it really makes him _____ when he climbs above the smog layer(烟雾) and looks down _____ it and thinks: “I’m breathing that!” This kind of _____ results from the bad management of resources. Waste things can _____ should, be treated properly. House building, road _____, and industrial development are all earthmoving(or earth-reducing) operations and can change the balances of _____ created over millions of years. I would like to _____serious studies done on all these main works before they are built. Also, there should be _____ national parks set up to keep the most beautiful parts of our countries in their natural _____.

1.A. The other      B. Another         C. Every          D. Each

2.A. asking for     B. drinking       C. having         D. buying

3.A. seemed          B. struck          C. sank          D. showed

4.A. ago            B. after          C. before        D. now

5.A.full             B. filled          C. crowed        D. parked

6.A.promise         B. help           C. suggestion     D. permission

7.A.standing         B. sitting         C. talking        D. dying

8.A.thinking         B. persuading     C. deciding       D. learning

9.A.suffering        B. dying           C. walking      D. standing

10.A.increase        B. reduce          C. improve       D. raise

11.A.wash            B. repair         C. drive          D. leave

12.A. sick           B. tired          C. foolish        D. excited

13.A.on            B. at              C. from           D. for

14.A.discussion     B. question        C. pollution      D. operation

15.A.but             B. yet             C. still         D. and

16.A.work          B. construction    C. building      D. setting

17.A.life            B. mind           C. human being   D. plants

18.A.see            B. start           C. enjoy         D. pay

19.A. few            B. any           C. more           D. no

20.A. situation      B. states          C. soils         D. Places