His grandparents

发布时间：2021-02-23 00:56:20

His grandparents

网友回答

填have been dead
have been + adj.
表示持续了一段时间的状态
======以下答案可供参考======
供参考答案1:
用现在完成时态,表示持续~~~
His grandparents have been dead for many years
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