一篇英语作文，好难写啊 假设你是李芳，暑假随你校组织的访问团去美国参观访问了几所中学

Dear Tina, How are you? I’m now back in China. I had a wonderful time in America, which I will always treasure in my life. First, I’d like to express my thanks for your hospitality and kindness when I was in America, It was so nice of you to show me aro