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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 (责任编辑：admin) |