2021中考英语过去完成时专项练习题（十二）

　　中考网整理了关于2021中考英语过去完成时专项练习题（十二），希望对同学们有所帮助，仅供参考。

　　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

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