which letter is very important to a bilnd man?

which letter is very important to a bilnd man? Which letter is very useful to a deaf man? which letter is the most important to a blind woman? which letter is the most useful to a man 1.which letter is very useful to a deaf woman? Which letter is very useful to a deaf woman? the position he wants to apply is very important A to which 英文答题~我看不懂1.Which letter is very useful to a blind woman (从发音 Which letter is very useful to a deaf woman?哪个字母对一个盲人而言很重要? Which letter is a 几道英语智力题1.Which letter is very useful to a deaf woman 2.I hav 两道英文智力测试题~1.which letter is very useful to a deaf woman?2.th