范文：
Dear Lucy,
亲爱的露西，
I am so glad to hear from you and I am so sorry that I have been too busy to reply you these days. I've heard that you are having trouble learning English, which makes you upset. Don't worry and never be upset.
很高兴收到你的来信，很抱歉这几天一直很忙没有时间回复你。我听说你学英语有困难，这让你很沮丧。不要担心，不要心烦意乱。
Here are some tips to learn English that could be useful to you. First of all, you should develop interest in English, since interest is the best teacher.
这里有一些对你有用的学习英语的建议。首先，你应该培养对英语的兴趣，因为兴趣是最好的老师。
And secondly, you should listen to other English speakers more, speak in English more, reding more English articles, and write more in English as well. The best expectation is that you can think in English one day.
其次，你应该多听其他说英语的人，多说英语，多读英语文章，多写英语文章。最好的期望是你有一天可以用英语思考。
Last but not the least, you should try to enrich your vocabulary as much as possible, which will help you to express yourself better.
最后但并非最不重要的是，你应该尽量丰富你的词汇量，这将帮助你更好地表达自己。
English is not that hard to master. If you make a little forward day by day, you will make big progress eventually. So do not get upset. I trust you.
英语不是那么难掌握。如果你每天进步一点，你最终会取得很大的进步。所以不要生气。我相信你。
Looking forward to your reply!
期待你的回复！
Li Ping.
李平。
I'm very glad to introduce some methods to learn English.
First: Learn as many new words as possible. For example, you can set a goal: learn five new words every day and review the wods learned before.
Second: Grammar is very import. For this, you can buy a comprehensive grammar book and remember all important grammars.
Third: Read, read, read. You have to make sure to spend at least one hour every day to read loudly. Try your best to read with correct pronunciation and tune.
Fourth, Write composition regularly. This will test your words and grammar which have been learnt.
Fifth:Speak. Do not feel shy. Take every chance to talk with others face to face. This will test your vocabulary and practice your ability to organize words and phrase with correct grammar.
If you can follow my above suggestions strictly, you can do a good job in English learning.
Yours faithfully,
Jelly本回答被网友采纳