Lily:Hi,Dave.Doyouthinktheweatherisfinetoday?Dave:Yeah....

问题详情：

Lily: Hi, Dave. Do you think the weather is fine today?

Dave: Yeah. And the air is also clearer than ever before.

Lily: En, the newspaper reports that the air is less and less   56   (pollute) these days.

Dave: That’s true. Fewer and fewer people   57   (drive) cars to work since the government started the traffic control two months ago.

Lily: But the control is going to end   58   two weeks. What will happen then? Are cars coming back to the road?

Dave: That’s true, too, although we all hope   59   will never end. On the other hand, the traffic control has made things tough for people driving cars.

Lily: But it’s worth the trouble. I believe clean air is   60   most important thing.

Dave: However, many people don’t think so.  61   they can’t drive cars they will even have   62   (difficult) getting to work.

Lily: They can choose to take a bus   63   the subway. And they can even ride a bicycle. There are many other ways to choose from, actually.

Dave: Some people think buses are too crowded and riding a bicycle seems very   64  (tire).

Lily: Anyway, it’s still   65   (well) than being trapped in a traffic jam under grey clouds and in dirty air.

【回答】

56. polluted     57. have driven      58. in       59.  it        60. the

61. If          62. difficulty        63. or       64. tiring      65. better

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