英语：高考英语易错题汇编（附详解）

高考英语易错题汇编（附详解）

1. They ______ on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far.

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

此题的时间参照点是before I joined them,，所以第一个空应该用过去完成进行时，第二个空根据时间now用现在进行时。

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