We _______ on this project for four hours. Let’s have a rest.
A. are working B. have been working C. worked D. had worked
科目：高中英語 來源： 題型：
--- Is there any possible way to help them get rid of such a bad habit?
--- To tell the truth, it’s very hard. But we on this problem trying to improve the situation.
A. worked B. had worked C. are working D. had been working
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科目：高中英語 來源：2012-2013學年浙江省寧波市高一上學期期末英語試卷（帶解析） 題型：單選題
—Is there any possible way to help them get rid of such a bad habit?
—To tell the truth, it’s very hard. But we ________ on this problem, trying to improve the situation .
| A．worked | B．had worked | C．are working | D．had been working |
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科目：高中英語 來源：2012-2013學年江蘇省江都市大橋中學高一下學期期中考試英語試卷（帶解析） 題型：單選題
We_______on this project for four hours. Let’s have a rest.
| A．are working | B．have been working | C．worked | D．had worked |
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科目：高中英語 來源：2010-2011學年黑龍江省高三上學期9月份月考英語卷 題型：單項填空
— Is there any possible way to help the children get rid of such a bad habit?
— To be honest, it’s very hard, but we ______on this problem.
|
A．work |
B．worked |
C．are working |
D．were working |
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科目：高中英語 來源：2010年普通高等學校招生全國統一考試（天津卷）英語 題型：單項填空
We_______on this project for four hours. Let’s have a rest.
A. are working B. have been working C. worked D. had worked
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