1、b
2、b
前边那个人不对is、letters、am、not、seal am word.l have three ( ).my first letter is in "snow" but ( )in "know".my second letter is in "rose" and in "nice".my third letter is notin "pen" but in "pen".letters,not,l am a place where there ( ) a lot of water.what ( ) l?l am ( ).