letter和a letter的区别

letter和a letter的区别 a letter to 和a letter from之间的区别? here is a letter for you和this is a letter for you 的区别 英语中mail和letter的区别 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 here is a letter for you和here is a letter to you 什么区别 letter A的意思 get a letter from,received a letter ,heard from his invition的区别求大神帮助 hear from和receive a letter from的区别,别说没区别, 请问海运中Letter of Guarantee和Letter of Indemnity的区别 reference letter 和 recommendation letter有什么区别RT 请教hear from sb 和recive a letter from sb的区别和意思. write letters和write a letter的意思,有什么区别? solicited application letter 与unsolicited application letter的区别 he write a letter by himself 和he write a letter himself 是不是都是对的 letter letter send a letter的翻译