Thank you very much for your corrections.
I found lots of helpful advice in the text.
I look forward to sending you another piece of writing soon.
Thank you for polite correction.
I understand the difference "on the other hand" and "by contrast".
Thank you very much as always!
Your samples are very valuable for me.
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Thank you so much!
Thank you for a lot of samples.
They are very helpful for me.
Thank you very much for correcting my writing.
I always learn a lot of things from you.
I really enjoy what you've taught me.
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