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英语
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7. —Does Liu Hui serve in the army?
—No, but he in the army for three years.
A. servedB. has served
C. is servingD. would serve
用过去完成时 是一般过去式?
人气：177 ℃ 时间：2020-01-28 13:35:06
解答
A.served
这里面只能选A,sever是个延续性动词,后面可以跟一段时间
按理说也可以用过去完成时的,但选项里没有
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