— Why? Tom, your shirt is so dirty! — Mum, I ＿＿ my storeroom downstairs。A．cleane
题型：不详难度：来源：
— Why? Tom, your shirt is so dirty!
— Mum, I ＿＿ my storeroom downstairs。| A．cleaned | B．have worked | C．was cleaning | D．have been cleaning |
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答案
| D |
解析
| 现在完成进行时表示从过去某时到现在一直在进行的动作。 |
举一反三
They won’t buy new clothes because they＿＿money to buy a color TV set.| A．save | B．are saving | C．has saved | D．were saving |
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Good heavens! There you are! We＿＿anxious about you, and we ＿＿you back throughout the night.| A．are； expect | B．were； had expected | | C．have been；were expecting | D．are； were expecting |
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I’ve finally finished my paper and it ＿＿ me an entire month.| A．takes | B．took | C．was taken | D．had taken |
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The traffic in our city is already good and it ＿＿even better.| A．gets | B．got | C．has got | D．is getting |
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— Has Jack finished his homework yet?
— I have no idea；he ＿＿it this morning.| A．was doing | B．had been doing | C．has done | D．did |
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