Duolingo は、言語学習において世界でもっとも人気のある方法です。なによりも、完全に無料です。

https://www.duolingo.com/x1vO1

I'm sorry. I study English once more.

I have made a mistake. That's why, I begin to study English once more. I'm sorry, my follower. Suddnlly, "Kaori Suginaka3" is not from 'Duolingo'. You will think so. That's all right. It is "x1vO1". This is new my account name. Because I begin studying English once more, you are release.

2年前

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