过去完成时和现在完成时的区别是什么?我总觉得它们每个句子翻译过来好像是一样的.请问谁能帮我讲一下它们的详细区别好吗?

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 22:52:30
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