急求一篇英语作文.内容:假设我是李华,明年将进入伦敦大学学习,但不知道怎样适应国外生活,所以写信给我

I'm Li hua, will enter the next year, University of London, but doesn't know how to adapt to living abroad, so write to my United Kingdom pen pal John.
I encountered the following problems, 1, in a foreign country a person feels lonely, homesick and 2, food, culture is not used to, 3 life it is difficult to take care of themselves.