过去完成时练习题（　）We-----the work by six yesterday evening.A.finshe

过去完成时练习题（　）We_____the work by six yesterday evening.A.finshed B.would finish C.had finshed D.had been finished（　）It seems that the old man______something important.A.has lost B.had lost C.lost D.would lose（　）She______in this school_________the past ten years.A.was teaching,since B.had been teaching,since C.would teach,for D.has been teaching,for