It is important for us to learn English 再问: 还要5句,谢谢了 再答: It is difficult for us to learn math 再问: 还要 再答: It is easy for us to learn Chinese 再问: 其它的科目怎么说 再问: 还有历史 再答: It is hard for us to know the world 再问: 还要,姐姐 再答: It is difficult for me to answer the question 再答: It is hot for us to go out 再答: 终于完了 再问: 谢了 再问: 谢了 再答: 不谢 再问: 加我QQ吧