The past two years _______ a sharp rise in oil price，which adds to the burden of
题型：不详难度：来源：
The past two years _______ a sharp rise in oil price，which adds to the burden of auto transportation industry.| A．witnessed | B．witnesses | C．is witnessing | D．has witnessed |
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答案
| D |
解析
试题分析：考查时态：句意：在过去的两年里我们目睹了油价的急剧上升，这增加了汽车运输业的负担。the past two years 是表示过去的两年中，是现在完成时的时间，此处是过去两年油价的上升对现在造成影响，故用现在完成时。选D， |
举一反三
It’s true that whoever ____positive for H7N9 will receive free medical treatment from our government without delay.| A．is tested | B．is being tested | C．has tested | D．tests |
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I _______ online games for two years, but I’ve never regretted giving it up.| A．play | B．was playing | C．played | D．had played |
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It is said that the software on learning subjects for pupils in a very practical way.| A．designed | B．designing | C．are designed | D．is designed |
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Hurry up! The train ______. You know it ______ at 8:30 am.| A．leaves; leaves | B．is leaving; is leaving | C．leaves; is leaving | D．is leaving; leaves |
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| A poet and artist _____ coming to speak to us about Chinese literature and painting tomorrow afternoon. |
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