Based on the given task, here’s a suitable response:
Subject: Re: Learning English
Hi Amelia,
Thank you for your email! I've been learning English for about 6-7 years. While I do have some problems with grammar, it’s not a big issue overall. I really enjoy learning English and find it exciting, especially when I get to use it practically. At the moment, I’m not studying any other languages, but I’m considering it in the future. How long have you been learning English? Do you enjoy it as much as I do? I look forward to hearing from you soon.
Best wishes, [Your Name]
This response covers the necessary points, respects the word limit, and keeps the tone friendly and conversational.