Theyon the program for almost one month before l was arranged to help them. Now, weon it a

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解决时间 2021-01-03 10:13

提问者网友：留有余香
2021-01-02 19:35

They on the program for almost one month before l was arranged to help them. Now, we on it as no result has 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

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五星知识达人网友：北方的南先生
2021-01-02 20:45

(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：句意：在我被安排帮助他们之前，他们一直在忙于这个项目。现在我们还在做这个项目，没有结果。第一空的动作发生在before l was arranged to help them.是过去的过去的动作，用过去完成进行时，第二空是现在正在发生的动作，用现在进行时，选A。

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1楼网友：青尢
2021-01-02 21:13

哦，回答的不错

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