一道高二英语选择题Ofthe9500driverssincethebeginningoftheyear,23%werefoundroadknowledge.A.tested...lackingB.tested...lackedC.havingbeentasted...tolackD.tohavebeentested...lack答案是A,请问第一格能填ha

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一道高二英语选择题 Of the 9500 drivers ___ since the beginning of the year,23% were found ___ road knowledge.
A.tested...lacking B.tested...lacked
C.having been tasted...to lack D.to have been tested...lack
答案是A,请问第一格能填having been tested吗,请写明原因谢谢

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答案和解析

不能用having been tested.这句前面有个of,说明后面的是定语.整个句子还原就是：23% of the 9500 drivers (which were) tested since the beginning of the year were found lacking road knowledge.如果你用having ...

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