The reason Afor all Bthe changes Cbeing made Dhas not explained to us yet.

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问题 The reason Afor all Bthe changes Cbeing made Dhas not explained to us yet.

选项 A、 
B、 
C、 
D、 

答案D

解析 应改为has not been explained。因the reason与explain为逻辑上的动宾关系,所以应用被动语态。
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本试题收录于: 英语题库普高专升本分类
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