阅读短文,根据所给出的首字母,完成短文所缺的单词.
Today is S__________.An o__ ___ man wants to cross the street.It is r__ _ light.He stops.It is g_____ __ light now,but he hurts（弄伤）his l___ __.He can't w__ ___.A p____________ comes and help him."Where a___ _ you going,sir?" "I am going h____ ____." "Let me help you cross the street." "Thank you.You are very n____ ___."