There was time when the two countries were at war.A. the; /B. the; theC. a; /D. a; a

发布时间：2020-08-14 23:09:29

There was      time when the two countries were at      war.→A. the; /→B. the; the→C. a; /→D. a; a

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→A. the; /→B. the; the→C. a; /→D. a; a
a time指“一段时间”，为泛指；be at war为固定搭配，表示“处于战争状态”，这里的冠词均为约定俗成的用法。
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