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Thì quá khứ hoàn thành:1
Thì quá khứ hoàn thành:
1. Công thức:
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2.Cách dùng:
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-Dấu hiệu:_______________________
- My first time i make a question in this web, if there was a problem in the question or something, plsss don't hate or what, you can say it ( that problem) to me, I'm gonna fix it ok?-
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