There' a letter from granny(人名

There is a letter from me .变一般疑问句 There is a letter for/to/from grandpa? A letter from Mars. a letter from a letter from Tom. A letter from Jenny there is a letter on the desk,it is( )my mother.A.from B.for A letter from my father a letter from your mother a letter from home 歌词 a letter from Uncle Lee a letter to 和a letter from之间的区别?