By the end of last week, nearly 80 percent of the work       .
A.have finishedB.had been finishedC.will be finishedD.was finished
B

試題分析:句意:到上個星期為止,幾乎80%的工作都已經(jīng)被完成。因為work和finish是被動關系,所以排除A,又因為時間狀語是By the end of last week,所以和過去完成時連用,選B。
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