I am writing nine postcard to my mother.对划线部分提问 划线部分：writing nine postcard to my mother

I am writing nine postcard to my mother.对划线部分提问 划线部分：writing nine postcard to my mother I am writing中am的作用 I am on cloud nine.为什么? I am writing a letter是什么意思 I am not writing a letter.改错、 I am writing a letter.提问： I,am nine 对划线部分提问 （nine是划线部分） I,am nine 对划线部分提问 （nine是划线部分） 请问 句子:I'm writing to every student who study in grade nine.有语法错误吗? I be good at writing 还是 I am good at writing i am writing to suggest that这个表达对吗 I am not good at writing.改为同义句 Am I writing a letter?的反义疑问句是什么? I am writing a letter you in my school为什么 writing,my,i,a,father,letter,to,am 排句 I am busy writing a novel.是什么句型 I am writing a report now.改为一般疑问句 i am writing to in quire opportunities for 求翻译