题目

根据短文内容和括号内所给汉语意思，写出空白处各单词的正确形式(每空一词)。Carol's Cafeteria has the most 【1】(美味的)food，but the food there is also the most expensive in town.Lenny's Lunch Bar is not far from our school.It only 【2】(花费)about five minutes to 【3】(步行)there.My friends and I 【4】(通常)go there，and the food there isn't really bad.The 【5】(服务)of Lenny's is also friendlier than that of Carol's.In 【6】(事实)，Lenny's is the 【7】(最友好的)restaurant in town.It has the biggest 【8】(汉堡包)and the be某一次函数的图象经过点（﹣1，3），且函数y随x的增大而减小，请你写出一个符合条件的函数解析式