Traffic conditions in Beijing ________ for decades. At first people only complai
题型：不详难度：来源：
Traffic conditions in Beijing ________ for decades. At first people only complained about jams during rush hours，but today every hour is rush hour.| A．is worsening | B．have worsened | | C．have been worsening | D．worsened |
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答案
| C |
解析
试题分析：考查现在完成进行时。本题的关键词是for decades多年以来，该时间状语常常与现在完成时连用。而根据句意指多年以来一直都在变得更糟糕，故使用现在完成进行时。句意：北京的交通情况多年以来一直都在变糟糕。起初的时候，人们只是抱怨交通堵塞高峰期。但是现在每个时候都是高峰期。故C正确。
点评：现在完成进行时表示动作从过去开始，一直持续到现在。 |
举一反三
We are trying every possible means to ____ the people who are trapped in the ruins caused by this terrible earthquake.| A．recover | B．vote | C．rescue | D．guide |
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Because the shop ______, all the T-shirts are sold at half price.| A．has closed down | B．closed down | | C．is closing down | D．had closed down |
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Great changes ___ in the city, and a lot of factories ___.| A．have been taken place, have been set up | | B．have taken place, have been set up | | C．have taken place, have set up | | D．were taken place, were set up |
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As a Chinese people ,do you have an idea that Japan_________illegally
（非法地）________ Diaoyu Islands since 1971? | A．is，occupying | B．is， occupied | C．had， occupied | D．has been， occupying |
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---Everyone was at the party except you. What happened?
---I after Mike, my pet dog, at home. He was ill.| A．have looked | B．was looking | C．would look | D．had looked |
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