根据首字母及汉语提示,完成下列单词

根据首字母及汉语提示,完成下列单词1.w________ you do,you must pay attention to safety,for safety must come first2.the box is e______there is nothing in it3.the students are a_______to wear their uniforms at shcool,aren't they?4.zhu ming wants to be a p_____player in the future5.the sun r______in the east and sets in the west