当你需要写一封关于初中英语学习的建议信时，一个良好的开头可以包括对收信人的问候、表达你写信的目的以及简要介绍你将要给出的建议。以下是一个例子：

Dear [Recipient's Name],

In the following paragraphs, I will outline a few key strategies that have proven effective for me and others in enhancing their proficiency in English. I trust these tips will serve as a helpful guide on your journey to becoming more proficient in the language.

Best regards,