Dear Jane,
How are you?(谢谢) you for your last e-mail. You want to (知道) about my class, right? Well, let me tell you something about my class.
First, there are(四十) students in my class. And(全体)of us are from London. The weather of London is often(凉爽的)and it often rains. I like going to school and my favourite day at school is(周三) because I can eat potatoes. They're(真正地)delicious. Then, I want to show you my best friend. Here, the boy(在...之间)me and our teacher is my best friend. His name's Jude. He wants to be a(男警察), because he likes helping people. Do you have any important(照片) of your class? Remember to show them to me.
Best wishes!
Yours,
Jane