They on the program for almost one week before I joined them, and now we are still workin
答案:2 悬赏:20 手机版
解决时间 2021-12-28 18:35
- 提问者网友：雾里闻花香
- 2021-12-28 12:20
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
最佳答案
- 五星知识达人网友：平生事
- 2021-12-28 12:30
A. have workedB. had workedC. have been working(答案→)D. had been working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。
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- 1楼网友：归鹤鸣
- 2021-12-28 12:43
我明天再问问老师，叫他解释下这个问题
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