单选题 Customers must pay the bill ______ the date specified on the first page of your bill to avoid a late fee.
  • A. by
  • B. in
  • C. from
  • D. between
【正确答案】 A
【答案解析】[解析] 词汇：介词 1．本题考查介词的选择。 2．通过“指定日期(by the date specified)”的固定搭配可以得知A为正确选项。