Where does John come from?
希望能帮到你,祝更上一层楼O(∩_∩)O
有不会的欢迎再继续问我(*^__^*)那。。。they are some easy math problem 改为单数形式 They改为单数 I speak a little Japanese 改为否定It is an easy math problem.I don't speak a little Japanese.