Jack is in primary school now. He is very active in the class and everyone like h【纵览全球英语资讯、洞察全球英文信息，尽在英语翻译学习网（enfanyi.com）你的全球英语指南】im. Jack likes to read a lot of books, so he knows many things. When we have problems in study, he can help us to solve them. We are so thankful to him and make up our minds to learn from him. In all, he is such a funny person.