I used to deal with things slowly, but my father usually fishished his work and left his office early. I remember I always my homework by the time he came home.A. don’t finish B. haven’t finished C. 题目和参考答案——青夏教育精英家教网—

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I used to deal with things slowly, but my father usually fishished his work and left his office early. I remember I always my homework by the time he came home.

A. don’t finish B. haven’t finished C. am finished D. hadn’t finished

D 【解析】句意：我过去处理事情很慢，但我父亲通常会提前完成工作并离开办公室。我记得他回家时，我一直没有完成作业。考查动词时态辨析题。by the time到…时候为止，用于表示一段时间，常见于完成时态。根据by the time he came home，结合句意语境，可知空白处需用过去完成时，故选D。

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根据短文内容，完成下面的表格。

World Battles Against Air Pollution
China	As for the air pollution, China is not 1.； many countries have the same situation.
The United States	About 60 percent of Americans live in areas, where 2. has reached unhealthy levels. The Environmental Protection Agency 3. by the US in 1970.
London	In 1952, the 4. smog shocked the world.
New Delhi	Because New Delhi is developing fast, its air quality is even 5. than that of Chinese cities.

1.alone 2.air pollution 3.was created/was set up/was built up/was established 4.heaviest/thickest 5.worse 【解析】试题本文以美国、伦敦和新德里为例，谈论了困扰世界各国的因雾霾而导致的严重的空气污染问题。 1.考查细节理解题。根据China is no...

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