Dear Li Peng,
How are you going? I'm sorry to hear that you are not good at English,I'd like to offer you some advice.
First of all, you should recite the words as more as possible and read the articles regularly.The next , it's a good way for you to speak English with your friends as more as you can, then you will meet problem possiblely ,you can ask the question to your teacher to improve your English. The last but the improtant is answer your English teacher's question in the class.
I hope my advice is good for you and you can make a great progress.
Best wishes !
Yours,
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追问是王朋 最后那个Yours下面些什么啊
追答是你的名字 （写信人）