青云翻译

I am honored to write you this letter. In the past 10 days, you have to teach us how to improve English writing skills.

I had the honour to write you this letter. In the past 10 days, you've been taught us how to improve English writing ability.

I am honored very much to you write this letter.In the past 10 days, how did you teach us to raise English writing level continuously.

正在翻译，请等待...

I had the honour to write you this letter. In the past 10 days, you've been taught us how to improve English writing ability.