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the engine of my father's old car __ well for nearlly 10 yeas before it broke down last month.A functioned B was functioning C has been functioning D had been functioningfunction是延续性动词吗,求详解
题目详情
the engine of my father's old car __ well for nearlly 10 yeas before it broke down last month.
A functioned B was functioning C has been functioning D had been functioning
function是延续性动词吗,求详解
A functioned B was functioning C has been functioning D had been functioning
function是延续性动词吗,求详解
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答案和解析
function是延续性动词,可以与表时间的词连用.意思是(机器)工作,运行.爸爸旧车的发动机已经使用了差不多10年,在上个月它坏掉之前.由于 it broke down last month,用的过去式,而发动机在坏掉之前已经使用了10年,是过去的过去,故用过去完成时,选D.
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