You need't tell me more cbout him,I ____(know)him since ten years ago .

You need't tell me more cbout him,I ____(know)him since ten years ago .
You need't tell me more cbout him,I ____(know)him since ten years ago .

You need't tell me more cbout him,I ____(know)him since ten years ago .
have known
很简单的现在完成时态.

句子中有明显是过去的时间状语，用一过（ago不算）所以填have known 还有什么问题要问我 先采纳我哦》谢谢了哈。！ 1、Would you please _____（not open） the window？It's noisy outside。 2、We all ____(take) lots of photos duringthe visit to the nature res...

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句子中有明显是过去的时间状语，用一过（ago不算）所以填have known 还有什么问题要问我 先采纳我哦》

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had known