I am a letter是什么意思

I am a letter是什么意思 I am writing a letter是什么意思 I am a letter [改错] I am not writing a letter.改错、 I am writing a letter.提问： i was a scarlet letter是什么意思 I am so happy to get a letter from you.I am so proud of your nice writing 汉语翻译过来是什么意思? I am ___ (write) a letter to my friend. 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 sending you a letter.改为同义句. I am going to write a letter.对write a letter部分提问 i am a foreigner是什么意思 I am a man 是什么意思? I am a student是什么意思 I am putting on my shoes是什么意思如题 还有 I am showing my mother around my school. Many students are sitting there. I am writing a letter. She is cleaning the blackboard at the back of the dassroom. The 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