SinceIbegantoworkherethreeyearsago,thisfactory___insize.A.haddoubledB.hasdoubled为什么B解释下谢谢
2022-04-20 56次 反馈错误 加入收藏 正确率 : 100%
题目内容：
Since I began to work here three years ago,this factory___in size. A.had doubled B.has doubled
为什么B解释下谢谢
优质解答
B since 加过去时,主句要用现在完成时,如：
It has been 5 years since I came here.
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