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Mr.Jamesacitybusforovertwenty-fiveyearsbeforeretirement.A.isdrivingB.haddrivenC.hasdrivenD.drives请告知答案及理由,尤其是理由,

题目详情
Mr.James __________a city bus for over twenty-five years before retirement.
A .is driving
B.had driven
C.has driven
D.drives
请告知答案及理由,尤其是理由,
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答案和解析
Mr.James __________a city bus for over twenty-five years before retirement.A .is driving B.had driven C.has driven D.drives 选择B意思是说JAMES先生在退休之前一直开公交车,说明他已经退休了,开车的事情已经...