writing a letter是什么意思

writing a letter是什么意思 writing a letter是什么意思 She is writing a letter now宾语是什么? Am I writing a letter?的反义疑问句是什么? I'm writing a letter writing a letter怎么读? She's writing a letter 翻译is writing a letter 现在完成进行时态与现在进行时态的区别是什么?例如i have been writing a letter和i am writing a letter例如i have been writing a letter和i am writing a letter有什么区别 Is Sarah reading a letter or writing a letter的意思是什么 He is writing a letter.（对a letter提问） 写信能不能说writing a letter I am writing a letter是什么意思 I‘m writing a letter.改成问句 He is writing a letter被动语态 I am not writing a letter.改错、 I am writing a letter.提问： I not writing a letter.改错