问题描述：
新概念英语第二册40课中的一句话
‘Her eyes were fixed on her plate and in a short time,she was very busy eating.’中谓语动词动词fix为什么用被动语态were fixed?
‘Her eyes were fixed on her plate and in a short time,she was very busy eating.’中谓语动词动词fix为什么用被动语态were fixed?
问题解答：
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