52单词网 > 高中英语 > 高中英语题库 > 单句改错 I’m sorry I haven’t known that you were waiting．

单句改错 I’m sorry I haven’t known that you were waiting．

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单句改错 I’m sorry I haven’t known that you were waiting．

单句改错

I’m sorry I haven’t known that you were waiting．

试题答案

答案：haven’t known→didn’t know

标签：单句havensorryknownwaiting

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