This is the only article of these that___written by him.A was B were C is D are 选啥?

问题描述:

This is the only article of these that___written by him.A was B were C is D are 选啥?

A

答案A C是错误的
这是这些文章中的唯一写的一篇!
写文章是过去的,用过去时态,排除C和D 主语是the only article 谓语动词用单数所以答案只有A
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