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They have been here once.把been换成came怎么样
人气:160 ℃ 时间:2020-02-20 21:33:46
解答
应该是come,
come的过去分词是come,不是came
这样改过也可以
只是强调的不同
been强调的是他们在这里的状态
come强调他们过来的动作
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