英语作文是英语教学和学习的重要组成部分，它们可以帮助学生提高语言表达能力，加深对英语语法和词汇的理解。以下是一些常见的英语作文主题和例子：
自我介绍
例子：Good afternoon, teachers! My name is Wang Haiyang. I am a boy. I come from Yi Ma China. I am nine years old. I am a student.
描述一个地方
例子：Today there are 6 billion people on the earth. By the year 2050 there may be 12.5 billion.
讨论一个话题
例子：With the development of economy and technology, more and more people come to realize that the computer skill, language ability and knowledge about law are needed for an employee, which helps them go further in their career.
表达感情
例子：Love makes the world go around. Love to us human is what water to fish. Love shines the most beautiful gift, we should cherish.
叙述一个事件
例子：I really like the sea. Seeing it makes me relaxed and up.
描述动物或植物
例子：There are many sorts of animals in the zoo. The most interesting ones are the monkeys and the giraffes. They are very playful and tall.
写一封信
例子：Dear Sir or Madam, I am writing to ask for information about room service in your hotel.
写一篇日记
例子：Today I went to the park with my friends. We played football and had a picnic. It was a lot of fun.
写一篇游记
例子：We went to the Great Wall last weekend. It was a wonderful experience. The view was breathtaking.
写一篇议论文
例子：Should students be allowed to use mobile phones in class？
这些作文主题覆盖了从个人介绍到社会现象的广泛范围，适合不同年级和英语水平的学生练习写作。