当我们到达时.会议已经开始10分钟了．The meetinghad been on for ten minutes when we arrived．题目和参考答案——青夏教育精英家教网——

题目内容

15．当我们到达时，会议已经开始10分钟了．
The meetinghad been on for ten minutes when we arrived．

分析通过英汉对比，要完成译句需要使用过去完成时及when引导的时间状语从句．

解答答案：had been on for ten minutes when we arrived
根据汉语意思，再对照所给的部分英语句子，可知缺少"当我们到达时，已经开始10分钟了．"根据语境知此处需用过去完成时且与"一段时间"十分钟搭配，故开始不可用非延续性动词begin而需用其相应的延续性动词短语be on，根据过去完成时结构"had+过去分词"故应为had been on for ten minites．"当什么时候"为when，故为when引导的一般过去时的时间状语从句，根据已有的词汇知识，到达为arrive，故为when we arrived．
故答案为：had been on for ten minutes when we arrived

点评此题考查过去完成时及延续性动词与非延续性动词的用法和when引导的时间状语从句．做此类题需要先找出缺失的英语部分，再运用储备的知识写出符合句意的结构及用法．

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