They _________ on the program for almost one week before I joined them, and now
题型：不详难度：来源：
They _________ on the program for almost one week before I joined them, and now we are still working on it as no good results have come out so far.| A．have worked | B．had worked | | C．have been working | D．had been working |
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答案
| D |
解析
| 考查时态。句意：在我加入他们之前，他们一直在这个项目上工作了将近一个星期。结合语境可知本句描述的在过去已经完成的正在进行的动作，故用过去完成进行时态，选D。 |
举一反三
. --So hard __________ in the past few months that he has made great progress in English.
--I can see that, only a few mistakes he made in this exam.| A．he worked | B．did he work | | C．he has worked | D．has he worked |
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He looked as though he _________ a ghost（鬼）.| A．saw | B．has seen | C．have seen | D．had seen |
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. You must do your homework now; you ______ computer games all the evening.| A．have been playing | B．play | | C．are playing | D．played |
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Standing on the top of the Wolf Mountain, ______ a good bird’s–eye view of Nantong city.| A．it will be | B．you will get | C．there will be | D．it will have |
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Her money ______, the lazy middle-aged woman began to steal others’ money at crowded places, such as bus stops, stations, airports and ports.| A．had run out | B．running out | | C．having been run out | D．ran out |
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