The old couple have been married for 40 years and never once ___________ with each other．_刷题宝

题干

The old couple have been married for 40 years and never once ___________ with each other．

A：they had quarreled

B：they have quarreled

C：have they quarreled

D：had they quarreled

上一题下一题 0.0难度选择题更新时间:2015-04-03 04:11:37

答案(点此获取答案解析）

C

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