They on the program for almost one week before I joined them, and now we it as no good results have come out.
A. had been working; are still working
B. had worked; were still working
C. have been working; have worked
D. have worked; are still working
They on the program for almost one week before I joined them, and now we it as no good r
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解决时间 2021-04-14 07:01
- 提问者网友：心如荒岛囚我终老
- 2021-04-13 14:19
最佳答案
- 五星知识达人网友：洒脱疯子
- 2021-04-13 15:21
(答案→)A. had been working; are still workingB. had worked; were still workingC. have been working; have workedD. have worked; are still working解析：考查时态。根据before I joined them和for almost one week可知第一空是过去的过去，使用过去完成进行是时；根据now和句意可知第二空使用现在进行时。句意：在我参加他们之前他们就已经做了几乎一个星期了。现在我们仍然在努力工作，因为好的结果还没有出来。
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- 1楼网友：洒脱疯子
- 2021-04-13 16:36
我好好复习下
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