一片首字母填空signs are important in our daily life.you may see a b

一片首字母填空
signs are important in our daily life.you may see a board w__________ a letter "p" in a street somewhere.lt tells us you can put your car or bisycle here.w________ you are in the cinema ,you will find a sign with a word "e_________" ,too.lt means you can get out of the cinema from here .there are many o________ signs sround us .most of them are helpful to us .they always make our life more c_____________.