语法与词汇 Please (check) your bill before you leave the shop and make sure that it is correct.
【正确答案】 B
【答案解析】根据划线词所在结构和其基本词义“检查”判断B(仔细检查)是答案。pay off v.还清(债务等)付清,报复;go over v.(对…进行)仔细检查,复习;look up v.向上看,尊敬,仰望,查寻;find out v.找出,发现,查明(真相等),认识到,想出。