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He has come instead of his elder sister.She (is) ill.把is改成has been行吗?

分类: 作业答案 • 2023-01-13 02:20:56

问题描述：

He has come instead of his elder sister.She (is) ill.把is改成has been行吗?

答

is没错,改了的话应该加个时间段