[06.07.11][原创]一道英语智力题
My first is in"soush"but not in "north".
My second is in"picture"but not in "film".
My third is in"fourth"and it's also in "worth".
My fourth is in"book"and it's also in"cook".
My fifth is in "toe"but not in"sew".
My sixth is in"life"but not in "death".
Who am I.