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造5个现在完成时2个句子用:gone,been.造2个用肯定句:一个用have,一个用has.造1个用否定句造.

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/15 09:23:20
造5个现在完成时
2个句子用:gone,been.造
2个用肯定句:一个用have,一个用has.造
1个用否定句造.
He has gone to Beijing.
He has been to Beijing.
I have studied English for three years.
He has worked since two years ago.
I haven't had dinner yet.