试题:
We were told that Mr Green _____ the office for a few minutes when we arrived.
A.has been away fromB.had leftC.had been away fromD.has left

答案:

我来补答
C

试题分析:句意:有人告诉我们,当我们到达办公室的时候格林先生已经离开好几分钟了。由于句子当中含有表示一段时间的状语for a few minutes,故谓语动词必须用延续性动词;leave离开,是一个非延续性动词,当与一段时间连用时,必须换成be away from。根据when we arrived可知主句必须是过去时态,所以选C。
 
 
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这些题目你会做吗?