I’m very tired. I _______ on the night shift for several weeks.A．workedB．had w
题型：不详难度：来源：
I’m very tired. I _______ on the night shift for several weeks.| A．worked | B．had worked | | C．have been working | D．have worked |
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答案
| C |
解析
| 指过去到现在一直进行的动作。由于“上夜班到现在仍未终止”，故应用完成进行时而不用现在完成时。 |
举一反三
An increasing number of students,year by year,across China _______ hard to realize their dream of studying abroad.| A．try | B．have tried | | C．will try | D．are trying |
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The hero’s story _______ differently in the newspapers.| A．was reported | B．was reporting | | C．reports | D．reported |
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The crazy fans _______ patiently for two hours, and they would wait till the movie star arrived.| A．were waiting | B．had been waiting | | C．had waited | D．would wait |
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—Would you like another sandwich?
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