—I wonder if you could go with me to the supermarket.—Sorry. I _______ my experi
题型：不详难度：来源：
—I wonder if you could go with me to the supermarket.
—Sorry. I _______ my experiment report all the morning and haven’t finished yet.| A．write | B．was writing | | C．have written | D．have been writing |
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答案
| D |
解析
试题分析：考查时态。本意的关键词是all the morning整个早晨，该时间状语常常与现在完成进行时连用。句意：—我想知道你是否和我一起去超市.—对不起。整个上午我都在写实验报告，我还没有写完。根据句意说明草早上开始到现在一直都在写实验报告。故使用现在完成进行时表示过去发生的倒装一直持续到现在。故D正确。 |
举一反三
Doyle makes good use of many literary devices in his detective novel to ____ an impression of tension and mystery. | A．advocate | B．convey | C．describe | D．attract |
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To _____ his position in the country, he appointed his close friend Henry as head of the troops. | A．strengthen | B．sponsor | C．clarify | D．switch |
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This kind of glasses manufactured by experienced craftsmen ______ comfortably.| A．is worn | B．wears | C．wear | D．are worn |
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I was trying to pick up my hat that __________ off in the wind, but failed at last.
A. had been blown . is blown C. blown D. it had been blown |
Some amazing people _______ our world for the better in the past 100 years.| A．change | B．are changing | C．have changed | D．had changed |
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