來源:網(wǎng)絡(luò)來源 作者:中考網(wǎng)編輯 2021-03-24 14:26:06
中考網(wǎng)整理了關(guān)于2021中考英語過去完成時專項練習(xí)題(十二),希望對同學(xué)們有所幫助,僅供參考。
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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