that is a cup i am a teacher she is my friend 都改复数怎么改啊

that is a cup i am a teacher she is my friend 都改复数怎么改啊 This is my cup 改成复数句子怎么改啊 She is a woman teacher.改写成复数 改病句 This is my a cup 1：is that his pen?改复数 2：she is my good friend.改为一 He is a man teacher改为复数句怎么改? She is my friend 改一般疑问句怎么改 She is a teacher怎么改否定句 she is a good student.改为复数形式怎么改 is that a mouse?改复数句 she is a friend of mine改为同义句,she is - -my friend.i am going is that gril your friend 改复数