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外语
He______in the army for ten years, and he retired last year.
He______in the army for ten years, and he retired last year.
admin
2015-03-17
31
问题
He______in the army for ten years, and he retired last year.
选项
A、has served
B、had served
C、served
D、had been serving
答案
B
解析
整个句子为过去时态,从时间状语for ten years可以判断这里表示过去持续的状态,所以用过去完威时,故选B。
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大学英语三级A级题库大学英语三级分类
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大学英语三级
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