单选题 You may use the room as you like ______ you clean it up afterwards.
  • A. so long as
  • B. so far as
  • C. in case
  • D. even if
【正确答案】 A
【答案解析】[解析] 此题中so far as“就…而言”；so long as=as long as表示唯一条件“只要”；in case“以防，万一”；even if“即使，尽管”。